Observación de Cometas - Fotometría Visual / Comet Observations - Visual Photometry

 Actualización / Update : 28 - Agosto - 2008

Crepúsculo / Twilight

Alto del Castro - 1727 m

Observador : J. J. González

 

C/2004 F4 (Bradfield)

27 Abril 2004

( Observaciones previas a 2000 : En construcción )

FORMATOS UTILIZADOS EN ESTA PÁGINA / FORMATS USED ON THIS PAGE

Formato ICQ

Formato COHP

Observaciones recientes / 2007 - 2008 / Recent observations

COMETA

Fecha/Date--UT-

mag. m1

instrum.

coma - diam.

G.cond.-DC

cola / tail

C/2005 L3

Ago. 8.98

12.8

SCT 20 cm

0.5'

5

-

C/2006 OF2

Ago. 28.05

10.3

SCT 20 cm

4'

3/

-

C/2006 Q1

Abr. 3.92

10.7

SCT 20 cm

2.0'

5

-

C/2006 S5

Ene. 27.93

13.5

SCT 20 cm

0.8'

5

-

C/2006 W3

Ago. 28.06

10.5

SCT 20 cm

5'

4

-

C/2007 B2

Abr. 3.94

12.8

SCT 20 cm

1.2'

6

-

C/2007 G1

Ago. 1.90

10.8

SCT 20 cm

2.5'

3

-

C/2007 N3

Ago. 23.92

9.7

SCT 20 cm

4'

4

-

C/2007 T1

Mar. 5.84

10.5

SCT 20 cm

3'

3

-

C/2007 W1

Ago. 28.04

9.4

SCT 20 cm

6'

3

-

C/2008 C1

Abr. 23.90

10.0

SCT 20 cm

3.5'

2

-

C/2008 J1

Ago. 28.12

10.2

25x100B

5'

3

-

P/2008 J2

May. 12.07

12.7

SCT 20 cm

1.2

4

-

C/2008 J4

Jun. 7.10

11.7

SCT 20 cm

2.0'

0

-

6P

Ago. 28.00

8.0

10x50B

12'

2

-

7P

Ago. 23.86

12.2

SCT 20 cm

2.5'

2/

-

8P

Ene. 9.84

Ene. 29.79

5.3

6.5

naked eye

10x50B

30'

12'

5

4

-

15P

Ago. 9.14

10.9

SCT 20 cm

2.5'

3

-

17P

 

Mar. 10.94

Abr. 3.90

Abr. 23.92

Abr. 23.92

 

4.5:

5.4

[6.2 - no obs.

-

naked eye

4x30 mon.

6x50 mon.

25x100B

-

60'

-

40'

1

0

-

0/

-

19P

Ago. 28.17

9.3

SCT 20 cm

8'

3

-

26P

Abr. 12.17

11.4

SCT 20 cm

2.5'

2

-

29P

Mar. 5.91

12.7

SCT 20 cm

1.5'

1

-

46P

Mar. 28.99

10.4

SCT 20 cm

4'

2

-

47P

Ago. 6.02

14.6

SCT 20 cm

0.2'

7

-

51P

Ago. 9.12

14.7

SCT 20 cm

0.2'

8

-

192P

Ene. 27.82

13.3

SCT 20 cm

0.8'

5

-

199P

Ago. 8.94

14.0

SCT 20 cm

0.3'

7

-

-

-

-

-

-

-

-

Objetos

Relacionados

.

.

.

.

.

.

(3200) Phaethon

2007 Dic. 5.07

12.6

SCT 20 cm

-

9

-

( Ajustar el brillo si la imagen se percibe oscura / Adjust brightness if the image is dark )

Observaciones recientes / 2007 - 2008 / Detalle

C/2005 L3 (McNaught)

- 2008 Aug. 8.98 UT: m1=12.8, Dia.=0.5', DC=5, 20 cm SCT (222x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ) [Comet close to star of mag. 6.5 (Tycho-2)].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2005L3  2008 08 08.98  S 12.8 TK 20.3T10 222   0.5  5            ICQ XX GON05

 

C/2006 OF2 (Broughton)

- 2008 Aug. 28.05 UT: m1=10.3, Dia.=4', DC=3/, 20 cm SCT (77x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ).

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2006OF2 2008 08 28.05  S 10.3 TK 20.3T10  77   4    3/           ICQ XX GON05

 

C/2006 Q1 (McNaught)

- 2008 Apr. 3.92 UT: m1=10.7, Dia.=2.0', DC=5, 20 cm SCT (77x) ( Sierra del Aramo, alt. 1280 m, Asturias, N. Spain ) [ Altitude: 10 deg. ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2006Q1  2008 04 03.92  S 10.7 TK 20.3T10  77   2.0  5            ICQ XX GON05

 

C/2006 S5 (Hill)

- 2008 Jan. 27.93 UT: m1=13.5, Dia.=0.8', DC=5, 20 cm SCT (222x), ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ) [ Comparison stars taken from Henden photometry near U Gem ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2006S5  2008 01 27.93  S 13.5 HN 20.3T10 222   0.8  5            ICQ XX GON05

 

C/2006 W3 (Christensen)

- 2008 Aug. 28.06 UT: m1=10.5, Dia.=5', DC=4, 20 cm SCT (77x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ) [ Star of mag. 12.0 (Tycho-2) inside the coma ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2006W3  2008 08 28.06  S 10.5 TK 20.3T10  77   5    4            ICQ XX GON05

 

C/2007 B2 (Skiff)

- 2008 Apr. 3.94 UT: m1=12.8, Dia.=1.2', DC=6, 20 cm SCT (100x) ( Sierra del Aramo, alt. 1280 m, Asturias, N. Spain ) [ Comparison stars taken from Henden photometry near GP Com ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2007B2  2008 04 03.94  S 12.8 HN 20.3T10 100   1.2  6            ICQ XX GON05

 

C/2007 G1 (LINEAR)

- 2008 Aug. 1.90 UT: m1=10.8, Dia.=2.5', DC=3, 20 cm SCT (100x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ) [ Altitude: 9 deg ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2007G1  2008 08 01.90  S 10.8 TK 20.3T10 100   2.5  3            ICQ XX GON05

 

C/2007 N3 (Lulin)

- 2008 Aug. 23.92 UT: m1=9.7, Dia.=4', DC=4, 20 cm SCT (77x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ).

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2007N3  2008 08 23.92  S  9.7 TK 20.3T10  77   4    4            ICQ XX GON05

 

C/2007 T1 (McNaught)

- 2008 Mar. 5.84 UT: m1=10.5, Dia.=3', DC=3, 20 cm SCT (77x) ( Alto del Trichero - Soto y Amio, alt. 1190 m., Leon, N. Spain ) [ Altitude: 13 deg ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2007T1  2008 03 05.84  S 10.5 TK 20.3T10  77   3    3            ICQ XX GON05

 

C/2007 W1 (Boattini)

- 2008 Aug. 28.04 UT: m1=9.4, Dia.=6', DC=3, 20 cm SCT (77x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ) [ Stars of mag. 11.9 and 12.2 (GSC) inside the coma ]. 

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2007W1  2008 08 28.04  S  9.4 TK 20.3T10  77   6    3            ICQ XX GON05

C/2008 C1 (Chen-Gao)

- 2008 Apr. 23.90 UT: m1=10.0, Dia.=3.5', DC=2, 20 cm SCT (77x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ) [ Zodiacal light ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2008C1  2008 04 23.90  S 10.0 TK 20.3T10  77   3.5  2            ICQ XX GON05

 

C/2008 J1 (Boattini)

- 2008 Aug. 28.12 UT: m1=10.2, Dia.=5', DC=3, 20 cm SCT (77x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ) [ Comet close to star of mag. 9.9 (Tycho-2) ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2008J1  2008 08 28.12  S 10.2 TK 20.3T10  77   5    3            ICQ XX GON05

P/2008 J2 (Beshore)

- 2008 May 12.07 UT: m1=12.7, Dia.=1.2', DC=4, 20 cm SCT (133x) ( Puerto de las Señales, alt. 1627 m, Leon, N. Spain ).

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2008J2  2008 05 12.07  S 12.7 HN 20.3T10 133   1.2  4            ICQ XX GON05

 

C/2008 J4 (McNaught)

- 2008 June 7.10 UT: m1=11.7, Dia.=2.0', DC=0, 20 cm SCT (133x) ( Outeiro - Castro do Rei, alt. 450 m, Lugo, N. Spain ) [ Nearby field stars checked in DSS. Motion checked during a 30-min period. Faint, very diffuse coma, without central condensation ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2008J4  2008 06  7.10  S 11.7 TK 20.3T10 133   2.0  0            ICQ XX GON05

6P/d'Arrest

- 2008 Aug. 28.00 UT: m1=8.0, Dia.=12', DC=2, 10x50B ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ) [ Several stars inside the coma, the brightest being mag. 10.2 (Tycho-2) ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
  6        2008 08 28.00  S  8.0 TK  5.0B    10  12    2            ICQ XX GON05

 

7P/Pons-Winnecke

- 2008 Aug. 23.86 UT: m1=12.2, Dia.=2.5', DC=2/, 20 cm SCT (100x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ) [ End of astronomical twilight; altitude: 14 deg ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
  7        2008 08 23.86  S 12.2 TK 20.3T10 100   2.5  2/           ICQ XX GON05

 

8P/Tuttle

- 2008 Jan. 29.79 UT: m1=6.5, Dia.=12', DC=4, 10x50B ( Los Veneros - Sierra del Aramo, alt. 1320 m, Asturias, N. Spain ).

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
  8        2008 01 29.79  S  6.5 TK  5.0B    10  12    4            ICQ XX GON05

 

15P/Finlay

- 2008 Aug. 9.14 UT: m1=10.9, Dia.=2.5', DC=3, 20 cm SCT (100x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ).

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
 15        2008 08 09.14  S 10.9 TK 20.3T10 100   2.5  3            ICQ XX GON05

17P/Holmes

- 2008 Apr. 3.90 UT: m1=5.4, Dia.=60', DC=0, 4x30 monocular ( Sierra del Aramo, alt. 1280 m, Asturias, N. Spain ) [ Mountain location, very clear sky. Zodiacal light; NELM about 6.5 near comet. Naked eye: comet faintly seen with direct vision ].

- 2008 Apr. 23.92 UT: m1= [ 6.2, 6x50 monocular ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ) [ Mountain location, very clear sky. Comet not seen with 6x50 monocular and 10x50 binoculars, washed out by the zodiacal light. Notwithstanding this, in 25x100 binoculars the observed diameter of the very faint coma was approximately 40' ( not allowing a magnitude estimate ), with a somewhat brighter area of about 15' ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
 17        2008 04 03.90  S  5.4 TK  3.0R     4  60    0            ICQ XX GON05
 17        2008 04 23.92  S[ 6.2 TK  5.0R     6 !60                 ICQ XX GON05

 

19P/Borrelly

- 2008 Aug. 28.17 UT: m1=9.3, Dia.=8', DC=3, 20 cm SCT (77x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ). 

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
 19        2008 08 28.17  S  9.3 TK 20.3T10  77   8    3            ICQ XX GON05

 

26P/Grigg-Skjellerup

- 2008 Apr. 12.17 UT: m1=11.4, Dia.=2.5', DC=2, 20 cm SCT (100x) ( San Mamés de Campos, alt. 840 m, Palencia, N. Spain ) [ Nearby field stars checked in DSS. Motion checked during a 60-min period. Faint outer coma is difficult to observe with higher magnifications. Limiting star magnitude near comet : 14.5 (Henden). Rural location, very clear sky. Altitude: 32 deg ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
 26        2008 04 12.17  S 11.4 TK 20.3T10 100   2.5  2            ICQ XX GON05

 

29P/Schwassmann-Wachmann

- 2008 Mar. 5.91 UT: m1=12.7, Dia.=1.5', DC=1, 20 cm SCT (133x) ( Alto del Trichero - Soto y Amio, alt. 1190 m., Leon, N. Spain ).

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
 29        2008 03 05.91  S 12.7 TK 20.3T10 133   1.5  1            ICQ XX GON05

 

46P/Wirtanen

- 2008 Mar. 28.99 UT: m1=10.4, Dia.=4', DC=2, 20 cm SCT (77x) ( Sierra de Penouta - Boal, alt. 870 m., Asturias, N. Spain ).

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
 46        2008 03 28.99  S 10.4 TK 20.3T10  77   4    2            ICQ XX GON05

47P/Ashbrook-Jackson

- 2008 Aug. 6.02 UT: m1=14.6, Dia.=0.2', DC=7, 20 cm SCT (133x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ) [ Nearby field stars checked in DSS. Comparison stars taken from Henden photometry near GRB030723. Mountain location, very clear sky ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
  47        2008 08 06.02  I 14.6 HN 20.3T10 133   0.2  7            ICQ XX GON05

 

51P/Harrington

- 2008 Aug. 9.12 UT: m1=14.7, Dia.=0.2', DC=8, 20 cm SCT (133x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ) [ Nearby field stars checked in DSS. Comparison stars taken from Henden photometry near IK Tau. Mountain location, very clear sky ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
51        2008 08 09.12  I 14.7 HN 20.3T10 133   0.2  8            ICQ XX GON05

 

67P/Churyumov-Gerasimenko

- 2008 Aug. 6.04 UT: m1=[14.8, 20 cm SCT (222x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ) [ Comet not observed. Nearby field stars checked in DSS. Comparison stars taken from Henden photometry near GRB030723 ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
  67        2008 08 06.04  I[14.8 HN 20.3T10 222 ! 0.2               ICQ XX GON05

192P/Shoemaker-Levy

- 2008 Jan. 27.82 UT: m1=13.3, Dia.=0.8', DC=5, 20 cm SCT (160x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ) [ Motion checked during a 40-min period. Nearby field stars checked in DSS. Mountain location, very clear sky. Zodiacal light ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
192        2008 01 27.82  S 13.3 TA 20.3T10 160   0.8  5            ICQ XX GON05

 

199P/Shoemaker

- 2008 Aug. 8.94 UT: m1=14.0, Dia.=0.3', DC=6, 20 cm SCT (133x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ).

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
199        2008 08 08.94  M 14.0 HN 20.3T10 133   0.3  6            ICQ XX GON05

(3200) Phaethon ( = 1983 TB )

- 2007 Dec. 5.07 UT: m1=12.6, Dia.=--, DC=9, 20 cm SCT (100x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, N. Spain ) [ Motion checked during a 30-min period. Mountain location, very clear sky ].

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   1983TB  2007 12 05.07  I 12.6 TK 20.3T10 100        9            ICQ XX GON05

Archivo de observaciones 2001 - 2007

Cometas no numerados

Cometas periódicos numerados

Objetos relacionados

 

( Observaciones previas a 2000 : En construcción )

Cometas no numerados :

  C/1999 T1 (McNaught-Hartley)

- 2001 Feb. 18.13 UT: m1=8.6, Dia=5', DC=5, 11x80B.(Sierra del Aramo, alt. 1340 m., Asturias, North Spain) [NE Lim. Mag. at 6.0 near comet].

 

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   1999T1  2001 02 18.13  S  8.6 TJ  8.0B    11   4    5            ICQ XX GON05

  C/2000 WM1 (LINEAR)

- 2001 Nov. 24.06 UT: m1=6.1, Dia.=18', DC=5, 7x50B. (Caldas de Luna, alt. 1100 m., Leon, North Spain) [NE Lim. Mag. at 5.9 near comet].

- 2001 Nov. 30.78 UT: m1=5.7, Dia.=15', DC=4, 7x50B. (Sierra del Aramo, alt. 930 m., Asturias, North Spain) [NE Lim. Mag. at 4.5 near comet. Full Moon influence gives lower Dia. and DC estimates in comparison with my previous Nov. 24.06 observation ].

- 2001 Dec. 3.79 UT: m1=5.3, Dia.=10', DC=6, Tail: 1.5 deg. in PA 30 deg, 7x50B. (Sierra del Aramo, alt. 930 m., Asturias, North Spain) [Naked eye estimate: 5.5; NE Lim. Mag. at 5.8 near comet].

- 2001 Dec. 6.79 UT: m1=5.3, Dia.=12', DC=5, Tail: 1.5 deg. in PA 35 deg, 7x50B. (Sierra del Aramo, alt. 1350 m., Asturias, North Spain) [Comet glimpsed with naked eye ; NE Lim. Mag. at 5.6 near comet].

- 2001 Dec. 8.79 UT: m1=5.4, Dia.=10', DC=5, Tail: 2 deg. in PA 35 deg, 7x50B.(Torrebarrio, alt. 1305 m., Leon, North Spain) [Naked eye estimate: 5.5; NE Lim. Mag. at 5.8 near comet].

- 2001 Dec. 9.79 UT: m1=5.4, Dia.=10', DC=5, Tail: 1.5 deg. in PA 35 deg, 7x50B. (Sierra del Aramo, alt. 1230 m., Asturias, North Spain) [Naked eye estimate: 5.6; NE Lim. Mag. at 5.8 near comet].

- 2001 Dec. 12.79 UT: m1=5.5, Dia.=10', DC=5, Tail: 1 deg. in PA 40 deg, 7x50B. (Sierra del Aramo, alt. 1230 m., Asturias, North Spain) [NE Lim. Mag. at 5.6 near comet].

- 2001 Dec. 16.79 UT: m1=5.5, Dia.=8', DC=5, Tail: 0.5 deg. in PA 45 deg, 7x50B. (Sierra del Aramo, alt. 1350 m., Asturias, North Spain) [NE Lim. Mag. at 5.0 near comet].

- 2001 Dec. 17.80 UT: m1=5.5, Dia.=8', DC=5, 11x80B. (Sierra del Aramo, alt. 1350 m., Asturias, North Spain ) [comparison stars at the same low altitude as the comet].

- 2002 Mar. 22.17 UT: m1=8.8, Dia.=3', DC=3, Tail: 0.3 deg. in PA 235 deg, 11x80B. ( Puerto de Aralla, alt. 1530 m., Leon, North Spain).

- 2002 Mar. 27.19 UT: m1=9.6, Dia.=3', ---, 11x80B. ( Puerto de Aralla, alt. 1530 m., Leon, North Spain).

 

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2000WM1 2001 11 24.06  S  6.1 TJ  5.0B     7  18    5            ICQ XX GON05
   2000WM1 2001 11 30.78  S  5.7 TJ  5.0B     7  15    4            ICQ XX GON05
   2000WM1 2001 12 03.78  I  5.5 TJ  0.0E     1                     ICQ XX GON05
   2000WM1 2001 12 03.79  S  5.3 TJ  5.0B     7  10    6   1.5   30 ICQ XX GON05
   2000WM1 2001 12 06.79  S  5.3 TJ  5.0B     7  12    5   1.5   35 ICQ XX GON05
   2000WM1 2001 12 08.79  S  5.4 TJ  5.0B     7  10    5   2     35 ICQ XX GON05
   2000WM1 2001 12 09.79  S  5.4 TJ  5.0B     7  10    5   1.5   35 ICQ XX GON05
   2000WM1 2001 12 12.79 wS  5.5 TJ  5.0B     7  10    5   1     35 ICQ XX GON05
   2000WM1 2001 12 16.79 $S  5.5 TJ  5.0B     7   8    5   0.5   35 ICQ XX GON05
   2000WM1 2001 12 17.80 $S  5.5 TJ  8.0B    11   8    5         35 ICQ XX GON05
   2000WM1 2002 03 22.17  S  8.8 TJ  8.0B    11   3    3   0.3  235 ICQ XX GON05
   2000WM1 2002 03 27.19  I  9.6 TJ  8.0B    11   3                 ICQ XX GON05

C/2001 A2 (LINEAR)

- 2001 July 22.01 UT: m1=6.1, Dia=12', DC=4, 7x50B. (Sierra del Aramo, alt. 1250 m., Asturias, North Spain) [NE Lim. Mag. at 5.5 near comet].

 

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2001A2  2001 07 22.01  S  6.1 TJ  5.0B     7  12    4            ICQ XX GON05

C/2001 HT50 (LINEAR-NEAT)

- 2003 Jan. 3.95 UT: m1=12.3, Dia.=1', DC=4, 20 cm SCT (77x). ( Sierra del Aramo, alt.1230 m, Asturias, North Spain). [ First night of 2003 observing with the telescope after three months of bad weather in the Cantabrian Mountains ].

- 2003 Jan. 23.99 UT: m1=11.7, Dia.=1', DC=3, 20 cm SCT (77x). ( Sierra del Aramo, alt.1005 m, Asturias, North Spain). [ Moonlight ].

- 2003 Jan. 27.99 UT: m1=11.8, Dia.=1', DC=3, 20 cm SCT (133x). ( Camposagrado, alt.1100 m, Leon, North Spain).

- 2003 Feb. 20.87 UT: m1=12.0, Dia.=1', DC=5, 20 cm SCT (77x). ( Sierra del Aramo, alt.1240 m, Asturias, North Spain).

- 2003 Aug. 27.17 UT: m1=12.5, Dia.=1', DC=2, 20 cm SCT (206x). ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [ astronomical twilight ].

- 2003 Sept. 25.15 UT: m1=12.1, Dia.=1'.5, DC=2, 20 cm SCT (133x). ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain).

- 2003 Dec. 16.92 UT: m1=11.8, Dia.=1'.5, DC=4, 20 cm SCT (100x). (Villasecino, alt. 1229 m, Leon, North Spain).

- 2004 Jan. 11.88 UT: m1=12.2, Dia.=1'.5, DC=3, 20 cm SCT (100x). ( Sierra del Aramo, alt.1240 m, Asturias, North Spain)

 

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2001HT502003 01 03.95  S 12.3 HS 20.3T10  77   1    4            ICQ XX GON05
   2001HT502003 01 23.99  S 11.7 HS 20.3T10  77   1    3            ICQ XX GON05
   2001HT502003 01 27.99  S 11.8 HS 20.3T10 133   1    3            ICQ XX GON05
   2001HT502003 02 20.87  S 12.0 TJ 20.3T10  77   1    5            ICQ XX GON05
   2001HT502003 08 27.17  S 12.5 HS 20.3T10 206   1    2            ICQ XX GON05
   2001HT502003 09 25.15  S 12.1 TK 20.3T10 133   1.5  2            ICQ XX GON05
   2001HT502003 12 16.92  S 11.8 TK 20.3T10 100   1.5  4            ICQ XX GON05
   2001HT502004 01 11.88  S 12.2 TK 20.3T10 100   1.5  3            ICQ XX GON05

C/2001 Q4 (NEAT)

- 2004 May 08.87 UT: m1=2.9, Dia.=30', DC=7, NE ( Sierra de Guadarrama, Peguerinos, alt. 1670 m, Avila, Spain) [ 7x50B: m1=3.1, Dia.=25', DC=7, Tail: 2.0 deg. in PA 110 deg,..Mountain location, clear sky; astronomical twilight. ].

- 2004 May 11.91 UT: m1=2.8, Dia.=30', DC=6, Tail: 1.5 deg. in PA 115 deg, naked eye. ( Piedrafita de Babia, alt. 1270 m, Leon, North Spain) [ 7x50B: m1=2.9, Tail: 2.5 deg.;.Mountain location, very clear sky ].

- 2004 May 14.91 UT: m1=3.1, Dia.=25', DC=6, Tail: 2.5 deg. in PA 115 deg, naked eye. ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [ 7x50B: m1=3.3, Ion tail: 5 deg, broader dust tail: 1 deg; Mountain location, very clear sky ].

- 2004 May 16.92 UT: m1=3.3, Dia.=20', DC=6, Tail: 2.0 deg. in PA 115 deg, naked eye, ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [ 7x50B: m1=3.5, Ion tail: 5 deg, broader dust tail: 1 deg; Mountain location, very clear sky ].

- 2004 May 19.92 UT: m1=3.9, Dia.=15', DC=6, Tail: 1.0 deg. in PA 115 deg, naked eye ( Sierra del Aramo, alt. 1240 m., North Spain) [ 7x50B: m1= 4.1, Dia.=12', DC=7, Tail: 2.5 deg ].

- 2004 May 23.93 UT: m1=4.4, DC=7, naked eye ( Alto de la Degollada, Candamo, alt. 600 m., North Spain) [ 7x50B: m1= 4.5, Dia.=12', DC=7, Tail: 1.5 deg. in PA 115 deg; some moonlight interference ].

- 2004 May 30.92 UT: m1=5.4, Dia.=10', DC=6, 7x50B ( Tenebredo, alt. 595 m, Asturias, North Spain) [ Moonlight ].

- 2004 June 2.93 UT: m1=5.6, Dia.=8', DC=6, 7x50B ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [ Moonlight ].

- 2004 June 8.95 UT: m1=5.9, Dia.=8', DC=7, Tail: 1.3 deg. in PA 95 deg, 7x50B ( Puerto de Aralla, alt. 1390 m, Leon, North Spain ).

- 2004 June 13.02 UT: m1=6.2, Dia.=8', DC=7, Tail: 0.8 deg. in PA 105 deg, 7x50B ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain).

- 2004 June 13.94 UT: m1=6.2, Dia.=8', DC=7, Tail: 0.9 deg. in PA 105 deg, 7x50B ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain).

- 2004 June 15.96 UT: m1=6.4, Dia.=7', DC=7, Tail: 0.9 deg. in PA 95 deg, 7x50B ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain)[ 15.97 UT: m1=6.6, 25x100B, gas tail 0.9-deg in p.a. 95 deg, dust fanned tail 0.3-deg in p.a. 150 deg ].

- 2004 June 21.92 UT: m1=6.7, Dia.=8', DC=7, Tail: 0.4 deg. in PA 100 deg, 7x50B ( Angliru - Sierra del Aramo, alt. 1550 m, Asturias, North Spain).

- 2004 June 27.10 UT: m1=7.0, Dia.=8', DC=7, Tail: 0.2 deg. in PA 100 deg, 7x50B ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain).

- 2004 June 30.11 UT: m1=7.0, Dia.=8', DC=7, 7x50B ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [ 25x100B: Tail 0.2-deg in p.a. 100 deg ].

- 2004 July 12.97 UT: m1=7.4, Dia.=7', DC=7, 7x50B ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [ 25x100B: Tail 0.2-deg in p.a. 90 deg ].

- 2004 July 14.94 UT: m1=7.4, Dia.=8', DC=7, 7x50B ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [ 25x100B: fanned tail spanning from 90 deg. to 140 deg., 0.2-deg in p.a. 90 deg ].

- 2004 July 20.94 UT: m1=7.5, Dia.=7', DC=5, 7x50B ( Puerto de Navafría, alt. 1773 m, Madrid, Spain).

- 2004 July 25.99 UT: m1=7.7, Dia.=7', DC=5, 7x50B ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [ 25x100B: 0.1-deg tail in p.a. 85 deg ].

- 2004 Aug. 4.92 UT: m1=8.2, Dia.=8', DC=4, 7x50B (Villasecino, alt. 1229 m, Leon, North Spain).

- 2004 Aug. 12.91 UT: m1=8.6, Dia.=8', DC=3, 11x80B ( Cordal de las Segadas, alt.898 m, Asturias, North Spain) [ 25x100B: 0.1-deg tail in PA 90 deg ].

- 2004 Aug. 19.97 UT: m1=9.0, Dia.=7', DC=4, 25x100B ( Linares - Proaza, alt. 840 m, Asturias, North Spain).

- 2004 Aug. 21.08 UT: m1=9.2, Dia.=4', DC=4, 20 cm SCT (77x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain).

- 2004 Aug. 26.09 UT: m1=9.3, Dia.=4', DC=4, 20 cm SCT (77x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain).

- 2004 Sep. 16.95 UT: m1=10.1, Dia.=3', DC=4, 20 cm SCT (77x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain).

- 2004 Nov. 15.91 UT: m1=12.5, Dia.=1.5', DC=2, 20 cm SCT (100x). ( Camposagrado, alt.1135 m, Leon, North Spain).

- 2004 Dec. 11.85 UT: m1=12.8, Dia.=1.5', DC=1, 20 cm SCT (100x). ( Aralla, alt. 1440 m, León, North Spain).

 
IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2001Q4  2004 05 08.86  B  3.1 TK  5.0B     7  25    7   2.0  110 ICQ XX GON05
   2001Q4  2004 05 08.87  I  2.9 TK  0.0E     1  30    7            ICQ XX GON05
   2001Q4  2004 05 11.90  B  2.9 TK  5.0B     7  25    6   2.5  115 ICQ XX GON05
   2001Q4  2004 05 11.91  I  2.8 TK  0.0E     1  30    6   1.5  115 ICQ XX GON05
   2001Q4  2004 05 14.90  B  3.3 TK  5.0B     7  17    6   5.0  115 ICQ XX GON05
   2001Q4  2004 05 14.91  I  3.1 TK  0.0E     1  25    6   2.5  115 ICQ XX GON05
   2001Q4  2004 05 16.91  B  3.5 TK  5.0B     7  15    7   5.0  115 ICQ XX GON05
   2001Q4  2004 05 16.92  I  3.3 TK  0.0E     1  20    6   2.0  115 ICQ XX GON05
   2001Q4  2004 05 19.91  B  4.1 TK  5.0B     7  12    7   2.5  115 ICQ XX GON05
   2001Q4  2004 05 19.92  I  3.9 TK  0.0E     1  15    6   1.0  115 ICQ XX GON05
   2001Q4  2004 05 23.92  B  4.5 TK  5.0B     7  12    7   1.5  115 ICQ XX GON05
   2001Q4  2004 05 23.93  I  4.4 TK  0.0E     1        7            ICQ XX GON05
   2001Q4  2004 05 30.92  B  5.4 TK  5.0B     7  10    6            ICQ XX GON05
   2001Q4  2004 06 02.93  B  5.6 TK  5.0B     7   8    6            ICQ XX GON05
   2001Q4  2004 06 08.95  B  5.9 TK  5.0B     7   8    7   1.3   95 ICQ XX GON05
   2001Q4  2004 06 13.02  B  6.2 TK  5.0B     7   8    7   0.8  105 ICQ XX GON05
   2001Q4  2004 06 13.94  B  6.2 TK  5.0B     7   8    7   0.9  105 ICQ XX GON05
   2001Q4  2004 06 15.96  B  6.4 TK  5.0B     7   7    7   0.9   95 ICQ XX GON05
   2001Q4  2004 06 15.97  B  6.6 TK 10.0B    25   6    7   0.9   95 ICQ XX GON05
   2001Q4  2004 06 21.92  B  6.7 TK  5.0B     7   8    7   0.4  100 ICQ XX GON05
   2001Q4  2004 06 27.10  B  7.0 TK  5.0B     7   8    7   0.2  100 ICQ XX GON05
   2001Q4  2004 06 30.11  B  7.0 TK  5.0B     7   8    7            ICQ XX GON05
   2001Q4  2004 06 30.12  B  7.0 TK 10.0B    25   8    6   0.2  100 ICQ XX GON05
   2001Q4  2004 07 12.97  B  7.4 TK  5.0B     7   7    7            ICQ XX GON05
   2001Q4  2004 07 12.98  B  7.6 TK 10.0B    25   6    6   0.2   90 ICQ XX GON05
   2001Q4  2004 07 14.94  B  7.4 TK  5.0B     7   8    7            ICQ XX GON05
   2001Q4  2004 07 14.95  B  7.6 TK 10.0B    25   7    6   0.2   90 ICQ XX GON05
   2001Q4  2004 07 20.94  S  7.5 TK  5.0B     7   7    5            ICQ XX GON05
   2001Q4  2004 07 25.99  S  7.7 TK  5.0B     7   7    5            ICQ XX GON05
   2001Q4  2004 07 26.00  S  7.9 TK 10.0B    25   5    5   0.1   85 ICQ XX GON05
   2001Q4  2004 08 04.92  S  8.2 TK  5.0B     7   8    4            ICQ XX GON05
   2001Q4  2004 08 12.91  S  8.6 TK  8.0B    11   8    3            ICQ XX GON05
   2001Q4  2004 08 12.92  S  8.8 TK 10.0B    25   6    4   0.1   90 ICQ XX GON05
   2001Q4  2004 08 19.97  S  9.0 TK 10.0B    25   7    4            ICQ XX GON05
   2001Q4  2004 08 21.08  S  9.2 TK 20.3T10  77   4    4            ICQ XX GON05
   2001Q4  2004 08 26.09  S  9.3 TK 20.3T10  77   4    4            ICQ XX GON05
   2001Q4  2004 09 16.95  S 10.1 TK 20.3T10  77   3    4            ICQ XX GON05
   2001Q4  2004 11 15.91  S 12.5 TK 20.3T10 100   1.5  2            ICQ XX GON05
   2001Q4  2004 12 11.85  S 12.8 TK 20.3T10 100   1.5  1            ICQ XX GON05

C/2001 RX14 (LINEAR)

- 2003 Jan. 3.98 UT: m1=11.0, Dia.=2', DC=4, 20 cm SCT (77x). ( Sierra del Aramo, alt.1230 m, Asturias, North Spain).

- 2003 Jan. 23.97 UT: m1=11.2, Dia.=2', DC=6, Tail: 0.2 deg. in PA 300 deg, 20 cm SCT (77x). ( Sierra del Aramo, alt.1005 m, Asturias, North Spain) [ Fan-shaped tail ].

- 2003 Jan. 27.91 UT: m1=11.2, Dia.=2', DC=6, Tail: 0.1 deg. in PA 300 deg, 20 cm SCT (77x). ( Camposagrado, alt.1100 m, Leon, North Spain) [ Fan-shaped tail ].

- 2003 Feb. 20.91 UT: m1=10.9, Dia.=2', DC=6, Tail: 0.1 deg. in PA 280 deg, 20 cm SCT (77x). ( Sierra del Aramo, alt.1240 m, Asturias, North Spain).

- 2003 Mar. 9.01 UT: m1=10.8, Dia.=4', DC=5, 20 cm SCT (77x). ( Camposagrado, alt.1135 m, Leon, North Spain) [elongated coma].

- 2003 Mar. 20.89 UT: m1=10.9, Dia.=4', DC=5, 20 cm SCT (77x). ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain ).

- 2003 Apr. 6.11 UT: m1=10.9, Dia.=2', DC=4, 20 cm SCT (77x). ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain ).

- 2003 May 3.01 UT: m1=11.8, Dia.=1.5', DC=2, 20 cm SCT (77x). ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain ).

 

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2001RX142003 01 03.98  S 11.0 TJ 20.3T10  77   2    4            ICQ XX GON05
   2001RX142003 01 23.97  S 11.2 TJ 20.3T10  77   2    6   0.2  300 ICQ XX GON05
   2001RX142003 01 27.91  S 11.2 TJ 20.3T10  77   2    6   0.1  300 ICQ XX GON05
   2001RX142003 02 20.91  S 10.9 TJ 20.3T10  77   2    6   0.1  280 ICQ XX GON05
   2001RX142003 03 09.01  S 10.8 TJ 20.3T10  77   4    5            ICQ XX GON05
   2001RX142003 03 20.89  S 10.9 TJ 20.3T10  77   4    5            ICQ XX GON05
   2001RX142003 04 06.11  S 10.9 TJ 20.3T10  77   2    4            ICQ XX GON05
   2001RX142003 05 03.01  S 11.8 TJ 20.3T10  77   1.5  2            ICQ XX GON05

C/2002 F1 (Utsunomiya)

- 2002 Mar. 22.20 UT: m1=9.3, Dia.=2', ---, 11x80B. ( Puerto de Aralla, alt. 1530 m., Leon, North Spain).

- 2002 Mar. 27.21 UT: m1=8.7, Dia.=2', ---, 11x80B. ( Puerto de Aralla, alt. 1530 m., Leon, North Spain).

- 2002 Apr. 16.18 UT: m1=4.9, Dia.=2', DC=8, Tail: 0.75 deg. in PA 330 deg, 11x80B. ( Sierra del Aramo, alt. 1010 m, Asturias, North Spain )

- 2002 Apr. 20.19 UT: m1=5.2, Dia.=2', DC=8, Tail: 0.3 deg. in PA 330 deg, 11x80B. ( Sierra del Aramo, alt. 990 m, Asturias, North Spain ) [ Beginning of nautical twilight ]

- 2002 Apr. 20.85 UT: m1=5.5, Dia.=2', DC=8, Tail: 0.2 deg. in PA 330 deg, 11x80B. ( Puerto de Aralla, alt. 1720 m, Leon, North Spain ) [ End of nautical twilight; moonlight ]

- 2002 Apr. 21.86 UT: m1=5.3, Dia.=2', DC=8, Tail: 0.4 deg. in PA 355 deg, 11x80B. ( Sierra del Aramo, alt. 1760 m, Asturias, North Spain ) [ After the end of nautical twilight; moonlight ]

- 2002 Apr. 22.85 UT: m1=5.5, Dia.=2', DC=8, Tail: 0.4 deg. in PA 355 deg, 11x80B. ( Sierra del Aramo, alt. 1760 m, Asturias, North Spain ) [ After the end of nautical twilight; moonlight ]

- 2002 Apr. 29.87 UT: m1=5.1, Dia.=2', DC=8, Tail: 0.4 deg., 11x80B. ( Puerto de Aralla, alt. 1720 m, Leon, North Spain ) [ Observation made after the end of nautical twilight, from a mountain location, under good conditions. Fan-shaped tail between PA 15 deg. and PA 45 deg. ]

 

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2002F1  2002 03 22.20  S  9.3 TJ  8.0B    11   2                 ICQ XX GON05
   2002F1  2002 03 27.21  I  8.7 TJ  8.0B    11   2                 ICQ XX GON05
   2002F1  2002 04 16.18  S  4.9 TJ  8.0B    11   2    8   0.75 330 ICQ XX GON05
   2002F1  2002 04 20.19  I  5.2 TJ  8.0B    11   2    8   0.3  330 ICQ XX GON05
   2002F1  2002 04 20.85  I  5.5 TJ  8.0B    11   2    8   0.2  330 ICQ XX GON05
   2002F1  2002 04 21.86  S  5.3 TJ  8.0B    11   2    8   0.4  355 ICQ XX GON05
   2002F1  2002 04 22.85  S  5.5 TJ  8.0B    11   2    8   0.4  355 ICQ XX GON05
   2002F1  2002 04 29.87  S  5.1 TJ  8.0B    11   2    8   0.4   45 ICQ XX GON05

C/2002 O4 ( Hönig )

- 2002 July 29.94 UT: m1=9.8, Dia.=6', DC=2, 20 cm SCT (50x). ( Quintanilla, alt. 1110 m, Leon, North Spain ).

- 2002 July 31.97 UT: m1=9.5, Dia.=3', DC=2, 11x80B. ( Aralla, alt. 1100 m, Leon, North Spain ).

- 2002 Aug. 1.00 UT: m1=9.7, Dia.=5', DC=3, 20 cm SCT (36x).( Aralla, alt. 1100 m, Leon, North Spain ).

- 2002 Aug. 4.00 UT: m1=9.3, Dia.=6', DC=3, 11x80B. ( Alto del Carballo, alt. 1110 m, Leon, North Spain ).

- 2002 Aug. 7.00 UT: m1=7.9, Dia.=7', DC=4, 11x80B. (Puerto de Aralla, alt.1720 m, Leon, North Spain) [Comet clearly brighter as time passes] .

- 2002 Aug. 12.01 UT: m1=8.1, Dia.=7', DC=3, 11x80B. ( Puerto de Aralla, alt. 1720 m, Leon, North Spain ) [ m1=8.2, Dia.=8', DC=5, 20 cm SCT (36x) ].

- 2002 Aug. 16.00 UT: m1=8.1, Dia.=8', DC=3, 11x80B. ( Alto de Rosales, alt. 1510 m, Leon, North Spain ) [ 16.02 UT: m1=8.2, Dia.=8', DC=5, 20 cm SCT (36x) ]

- 2002 Aug. 18.10 UT: m1=7.9, Dia.=6', DC=3, 11x80B. (Cea, alt.850 m, Leon, North Spain) [ 18.11 UT: m1=8.1, Dia.=6', DC=5, 20 cm SCT (36x) ].

- 2002 Aug. 29.89 UT: m1=7.9, Dia.=10', DC=4, 11x80B. (Puerto de Aralla, alt.1720 m, Leon, North Spain) [ 29.90 UT: m1=8.0, Dia.=10', DC=5, 20 cm SCT (36x) ].

- 2002 Aug. 31.92 UT: m1=8.1, Dia.=9', DC=4, 11x80B. (Quintanilla, alt.1200 m, Leon, North Spain).

- 2002 Sep. 1.87 UT: m1=8.1, Dia.=8', DC=5, 11x80B. (Puerto de Aralla, alt.1720 m, Leon, North Spain).

- 2002 Sep. 2.86 UT: m1=8.1, Dia.=8', DC=4, 11x80B. (Sierra del Aramo, alt.1180 m, Asturias, North Spain).

- 2002 Sep. 6.93 UT: m1=8.5, Dia.=7', DC=4, 11x80B. (Cotanes, alt.700 m, Zamora, North Spain).

- 2002 Sep. 7.17 UT: m1=8.3, Dia.=7', DC=3, 11x80B. (Puerto de Navafría, alt.1400 m, Segovia, Spain).

- 2002 Sep. 9.87 UT: m1=8.5, Dia.=6', DC=4, 11x80B. (Camposagrado, alt.1100 m, Leon, North Spain).

- 2002 Sep. 11.91 UT: m1=8.6, Dia.=5', DC=4, 11x80B. (Puerto de Aralla, alt.1720 m, Leon, North Spain) [ 11.92 UT: m1=8.6, Dia.=4', DC=5, Tail: 0.12 deg. in PA 30 deg, 20 cm SCT (36x) ].

- 2002 Sep. 25.84 UT: m1=9.1, Dia.=3', DC=4, Tail: 0.1 deg. 20 cm SCT (77x). (Puerto de Aralla, alt. 1720 m, Leon, North Spain ) [ Observation made after the end of astronomical twilight and before moonrise ].

 

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2002O4  2002 07 29.94  S  9.8 TJ 20.3T10  50   6    2            ICQ XX GON05
   2002O4  2002 07 31.97  S  9.5 TJ  8.0B    11   3    2            ICQ XX GON05
   2002O4  2002 08 01.00  S  9.7 TJ 20.3T10  36   5    3            ICQ XX GON05
   2002O4  2002 08 04.00  S  9.3 TJ  8.0B    11   6    3            ICQ XX GON05
   2002O4  2002 08 07.00  S  7.9 TJ  8.0B    11   7    4            ICQ XX GON05
   2002O4  2002 08 12.01  S  8.1 TJ  8.0B    11   7    3            ICQ XX GON05
   2002O4  2002 08 12.01  S  8.2 TJ 20.3T10  36   8    5            ICQ XX GON05
   2002O4  2002 08 16.00  S  8.1 TJ  8.0B    11   8    3            ICQ XX GON05
   2002O4  2002 08 16.02  S  8.2 TJ 20.3T10  36   8    5            ICQ XX GON05
   2002O4  2002 08 18.10  S  7.9 TJ  8.0B    11   6    3            ICQ XX GON05
   2002O4  2002 08 18.11  S  8.1 TJ 20.3T10  36   6    5            ICQ XX GON05
   2002O4  2002 08 29.89  S  7.9 TJ  8.0B    11  10    4            ICQ XX GON05
   2002O4  2002 08 29.90  S  8.0 TJ 20.3T10  36  10    5            ICQ XX GON05
   2002O4  2002 08 31.92  S  8.1 TJ  8.0B    11   9    4            ICQ XX GON05
   2002O4  2002 09 01.87  S  8.1 TJ  8.0B    11   8    5            ICQ XX GON05
   2002O4  2002 09 02.86  S  8.1 TJ  8.0B    11   8    4            ICQ XX GON05
   2002O4  2002 09 06.93  S  8.5 TJ  8.0B    11   7    4            ICQ XX GON05
   2002O4  2002 09 07.17  S  8.3 TJ  8.0B    11   7    3            ICQ XX GON05
   2002O4  2002 09 09.87  S  8.5 TJ  8.0B    11   6    4            ICQ XX GON05
   2002O4  2002 09 11.91  S  8.6 TJ  8.0B    11   5    4            ICQ XX GON05
   2002O4  2002 09 11.92  S  8.6 TJ 20.3T10  36   4    5   0.12  30 ICQ XX GON05
   2002O4  2002 09 25.84  S  9.1 TJ 20.3T10  77   3    4   0.1      ICQ XX GON05

C/2002 O6 (SWAN)

- 2002 Aug. 4.13 UT: m1=7.2, Dia.=8', DC=3, 11x80B. ( Puerto de Aralla, alt. 1720 m, Leon, North Spain ) [ 4.14 UT: m1=7.4, Dia.=4', DC=4, 20 cm SCT (50x). Moonlight; comparison stars at the same low altitude ( 10º ) as the comet. Observation made before the beginning of astronomical twilight, under good conditions ].

- 2002 Aug. 7.13 UT: m1=7.0, Dia.=9', DC=3, 11x80B. (Puerto de Aralla, alt. 1720 m, Leon, North Spain ) [Observation made before moonrise and beginning of astronomical twilight].

- 2002 Aug. 18.15 UT: m1=6.4, Dia.=8', DC=5, 11x80B. (Cea, alt.850 m, Leon, North Spain) [ 18.16 UT: m1=6.5, Dia.=8', DC=6, 20 cm SCT (36x). Observation made before the beginning of astronomical twilight].

- 2002 Aug. 29.87 UT: m1=7.2, Dia.=8', DC=6, 11x80B. (Puerto de Aralla, alt.1720 m, Leon, North Spain) [ m1=7.2, Dia.=10', DC=6, 20 cm SCT (36x). Comparison stars at the same low altitude ( 6º ) as the comet. Observation made after the end of astronomical twilight in the evening ].

- 2002 Sep. 1.86 UT: m1=7.2, Dia.=7', DC=6, 11x80B. (Puerto de Aralla, alt.1720 m, Leon, North Spain). [NE Lim. Mag. at 5.0 near comet].

- 2002 Sep. 10.18 UT: m1=[9.0, 11x80B. (Puerto de Aralla, alt.1720 m, Leon, North Spain) [Comet not seen, alt. 6 deg. Observation made before the beginning of morning astronomical twilight, under good conditions, from a mountain location ].

- 2002 Sep. 12.18 UT: m1=[11.5, 20 cm SCT (36x). (Puerto de Aralla, alt.1720 m, Leon, North Spain)[Comet not seen, alt. 5 deg. Observation made under good conditions ].

 

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2002O6  2002 08 04.13  S  7.2 TJ  8.0B    11   8    3            ICQ XX GON05
   2002O6  2002 08 04.14  S  7.4 TJ 20.3T10  50   4    4            ICQ XX GON05
   2002O6  2002 08 07.13  S  7.0 TJ  8.0B    11   9    3            ICQ XX GON05
   2002O6  2002 08 18.15  S  6.4 TJ  8.0B    11   8    5            ICQ XX GON05
   2002O6  2002 08 18.16  S  6.5 TJ 20.3T10  36   8    6            ICQ XX GON05
   2002O6  2002 08 29.87  S  7.2 TJ  8.0B    11   8    6            ICQ XX GON05
   2002O6  2002 08 29.87  S  7.2 TJ 20.3T10  36  10    6            ICQ XX GON05
   2002O6  2002 09 01.86  S  7.2 TJ  8.0B    11   7    6            ICQ XX GON05
   2002O6  2002 09 10.18   [ 9.0 TJ  8.0B    11                     ICQ XX GON05
   2002O6  2002 09 12.18   [11.5 TJ 20.3T10  36                     ICQ XX GON05

C/2002 O7 (LINEAR)

- 2003 June 18.96 UT: m1=12.5, Dia.=1'.5, DC=3, 20 cm SCT (100x). ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain).

 

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2002O7  2003 06 18.96  S 12.5 HS 20.3T10 100   1.5  3            ICQ XX GON05

C/2002 T7 (LINEAR)

- 2003 Aug. 27.14 UT: m1=12.9, Dia.=0'.5, DC=3, 20 cm SCT (206x). ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain).

- 2003 Sept. 25.12 UT: m1=11.9, Dia.=0'.8, DC=5, 20 cm SCT (206x). ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain).

- 2003 Oct. 8.21 UT: m1=11.6, Dia.=0'.9, DC=6, 20 cm SCT (77x). ( Carrocera, alt. 1208 m, Leon, North Spain).

- 2003 Nov. 17.88 UT: m1=10.1, Dia.=3', DC=7, 25x100B. ( Aralla, alt. 1440 m, Leon, North Spain) [ Nov. 17.86 UT: m1=10.1, Dia.=3', DC=6, 20 cm SCT (77x). Elongated coma ].

- 2003 Nov. 25.83 UT: m1=9.7, Dia.=2', DC=8, 11x80B. (Sierra del Aramo, alt. 1230 m, Asturias, North Spain) [ Nov. 25.85 UT: m1=9.7, Dia.=3', DC=7, 25x100B. Elongated coma ].

- 2003 Dec. 10.76 UT: m1=9.2, Dia.=3', DC=5, 25x100B. (Sierra del Aramo, alt. 1230 m, Asturias, North Spain) [Moon at low altitude: 3 deg ].

- 2003 Dec. 15.79 UT: m1=8.9, Dia.=4', DC=6, 11x80B. (Alto de la Campa, alt. 450 m, Asturias, North Spain) [ Dec. 15.83 UT: m1=9.1, Dia.=4', DC=5, Tail: 0.1 deg. in PA 70 deg, 10 cm L (65x). Elongated coma ].

- 2003 Dec. 16.82 UT: m1=8.9, Dia.=4', DC=6, 11x80B. (Villasecino, alt. 1229 m, Leon, North Spain) [ Dec. 16.85 UT: m1=9.5, Dia.=3', DC=5, Tail: 0.2 deg. in PA 80 deg, 20 cm SCT (77x). Elongated coma ].

- 2003 Dec. 20.97 UT: m1=8.6, Dia.=4', DC=5, 25x100B. ( Grandota - Oviedo, alt. 460 m, Asturias, North Spain ) [Elongated coma; suburban sky].

- 2003 Dec. 21.02 UT: m1=8.5, Dia.=5', DC=5, 25x100B. (Sierra del Aramo, alt. 1031 m, Asturias, North Spain) [ Dec. 21.03 UT: m1=8.6, Dia.=4', DC=5, 10 cm L (65x). Elongated coma; rural sky ].

- 2003 Dec. 23.83 UT: m1=8.4, Dia.=6', DC=5, Tail: 0.1 deg. in PA 80 deg, 25x100B. (Collada de la Cobertoria, alt. 1179 m, Asturias, North Spain) [ Dec. 23.79 UT: m1=8.6, Dia.=4', DC=5, Tail: 0.2 deg., 10 cm L (65x)].

- 2003 Dec. 26.97 UT: m1=8.2, Dia.=6', DC=5, Tail: 0.2 deg. in PA 80 deg, 25x100B. ( La Frecha - Lena, alt. 450 m, Asturias, North Spain).

- 2003 Dec. 27.78 UT: m1=8.2, Dia.=6', DC=5, 11x80B. ( La Foz de Morcin, alt. 370 m, Asturias, North Spain ).

- 2003 Dec. 28.87 UT: m1=8.5, Dia.=4', DC=5, 11x80B. ( Grandota - Oviedo, alt. 460 m, Asturias, North Spain ) [ Moonlight begins to interfere ].

- 2004 Jan. 6.83 UT: m1=8.3, Dia.=4', DC=5, 25x100B. (Sierra del Aramo, alt.1550 m, Asturias, North Spain) [Moonlight].

- 2004 Jan. 9.78 UT: m1=7.4, Dia.=13', DC=5, Tail: 0.2 deg. in PA 80 deg, 7x50B. (Felguera de Riosa, alt.330 m, Asturias, North Spain) [Before moonrise].

- 2004 Jan. 11.80 UT: m1=7.5, Dia.=13', DC=5, 7x50B. ( Sierra del Aramo, alt.1240 m, Asturias, North Spain) [ Tail: 0.2 deg. in PA 80 deg, 11x80B].

- 2004 Jan. 11.83 UT: m1=7.7, Dia.=11', DC=6, 20 cm SCT (36x). ( Sierra del Aramo, alt.1240 m, Asturias, North Spain)

- 2004 Jan. 14.80 UT: m1=7.4, Dia.=13', DC=5, 7x50B & 11x80B. ( Sierra del Aramo, alt.700 m, Asturias, North Spain) [ 14.82 UT: m1=7.5, Dia.=8', DC=5, Tail: 0.6 deg. in PA 70 deg, 25x100B. Coma significantly enhanced through Swan band filter in 25x100 B ].

- 2004 Jan. 16.79 UT: m1=7.4, Dia.=11', DC=5...7x50B...( Cordal de las Segadas, alt.811 m, Asturias, North Spain) [ 16.80 UT: m1=7.4, Dia.=11', DC=5, Tail: 0.2 deg. in PA 70 deg, 11x80B ].

- 2004 Jan. 18.81 UT: m1=7.4, Dia.=11', DC=5...7x50B...( Sierra del Aramo, alt.700 m, Asturias, North Spain) [ 18.82 UT: Tail: 0.2 deg. in PA 70 deg, 11x80B ].

- 2004 Jan. 19.83 UT: m1=7.5, Dia.=11', DC=5, 7x50B & 11x80B. ( Sierra del Aramo, alt.1010 m, Asturias, North Spain) [ 19.84 UT: m1=7.6, Dia.=11', DC=6, Tail: 0.4 deg. in PA 70 deg, 25x100B ].

- 2004 Jan. 21.80 UT: m1=7.5, Dia.=10', DC=5, Tail: 0.2 deg. in PA 70 deg ...7x50B... ( Sierra del Aramo, alt.980 m, Asturias, North Spain) [ 21.82 UT: m1=7.7, Dia.=9', DC=6, Tail: 0.3 deg. in PA 70 deg, 25x100B ].

- 2004 Jan. 25.92 UT: m1=7.5, Dia.=10', DC=5, 7x50B & 11x80B. ( Sierra del Aramo, alt.700 m, Asturias, North Spain) [ 25.93 UT: m1=7.7, Dia.=8', DC=6, Tail: 0.2 deg. in PA 70 deg, 25x100B. After moonset ].

- 2004 Jan. 28.80 UT: m1=7.5, Dia.=6', DC=5, 7x50B & 11x80B. ( Cordal de las Segadas, alt.898 m, Asturias, North Spain) [ 28.81 UT: m1=7.6, Dia.=4', DC=6, Tail: 0.2 deg. in PA 65 deg, 25x100B. Moonlight ].

- 2004 Jan. 30.82 UT: m1=7.4, Dia.=6', DC=5, 11x80B. ( Cordal de las Segadas, alt.898 m, Asturias, North Spain).

- 2004 Jan. 31.83 UT: m1=7.5, Dia.=7', DC=5, 7x50B & 11x80B. ( Sierra de Linares, alt.831 m, Asturias, North Spain) [ 31.85 UT: m1=7.7, Dia.=6', DC=6, Tail: 0.1 deg. in PA 65 deg, 25x100B. Moonlight ].

- 2004 Feb. 04.83 UT: m1=7.5, Dia.=5', DC=5 ...11x80B... ( El Mazo - Panes, alt.75 m, Asturias, North Spain) [ Moonlight ].

- 2004 Feb. 05.81 UT: m1=7.7, Dia.=4', DC=6 ...11x80B... ( Pigurices - Proaza, alt.1080 m, Asturias, North Spain) [ Moonlight ].

- 2004 Feb. 08.82 UT: m1=7.3, Dia.=11', DC=6, Tail: 0.2 deg. in PA 60 deg...7x50B & 11x80B... ( Sierra del Aramo, alt.980 m, Asturias, North Spain) [ 08.83 UT: m1=7.4, Dia.=9', DC=6, Tail: 0.2 deg., 25x100B].

- 2004 Feb. 10.82 UT: m1=7.1, Dia.=12', DC=6, Tail: 0.2 deg. in PA 60 deg...7x50B & 11x80B... ( Sierra del Aramo, alt.980 m, Asturias, North Spain) [ Zodiacal Light. Feb. 10.85 UT: m1=7.6, Dia.=6', DC=6, Tail: 0.2 deg., 20 cm SCT (36x)].

- 2004 Feb. 11.82 UT: m1=7.1, Dia.=10', DC=6, Tail: 0.2 deg. in PA 60 deg...7x50B & 11x80B... ( Sierra del Aramo, alt.1550 m, Asturias, North Spain) [ Zodiacal Light. Feb.11.83 UT: m1=7.5, Dia.=6', DC=6, Tail: 0.3 deg., 25x100B].

- 2004 Feb. 12.81 UT: m1=7.1, Dia.=12', DC=6, Tail: 0.3 deg. in PA 60 deg...7x50B... ( Sierra del Aramo, alt.980 m, Asturias, North Spain) [ Zodiacal Light. Feb.12.82 UT: m1=7.3, Dia.=7', DC=6, Tail: 0.6 deg., 25x100B].

- 2004 Feb. 13.81 UT: m1=7.1, Dia.=12', DC=6, Tail: 0.3 deg. in PA 55 deg...7x50B... ( Puerto de la Cubilla, alt.1689 m, Asturias, North Spain) [ Zodiacal Light. Feb.13.82 UT: m1=7.0, 11x80B].

- 2004 Feb. 18.84 UT: m1=7.0, Dia.=9', DC=6, Tail: 0.2 deg. in PA 60 deg...7x50B... (Villasecino, alt. 1229 m, Leon, North Spain) [ Feb.18.85 UT: m1=7.0, Tail: 0.4 deg., 11x80B].

- 2004 Feb. 20.81 UT: m1=6.9, Dia.=8', DC=7, Tail: 0.3 deg. in PA 60 deg...7x50B... ( Tenebredo, alt.595 m, Asturias, North Spain) [ 20.83 UT: m1=7.2, Dia.=7', DC=6, Tail: 0.4 deg., 25x100B].

- 2004 Feb. 22.81 UT: m1=6.9, Dia.=8', DC=7, Tail: 0.3 deg. in PA 60 deg...7x50B... ( Cabo Peñas, alt.103 m, Asturias, North Spain) [ 22.82 UT: m1=7.1, Dia.=7', DC=6, Tail: 0.3 deg., 25x100B].

- 2004 Feb. 24.81 UT: m1=6.9, Dia.=7', DC=7...7x50B... ( La Laguna - Corvera, 220 m alt., Asturias, North Spain) [ Moonlight begins to interfere. Feb. 24.82 UT: m1=6.9, Dia.=7', DC=6, Tail: 0.2 deg. in PA 60 deg, 11x80B]

- 2004 Mar. 1.82 UT: m1=6.7, Dia.=6', DC=7...7x50B... ( Alto de Tenebredo, 554 m alt., Asturias, North Spain) [ Moonlight. Mar. 1.83 UT: m1=6.9, Dia.=5', DC=6, Tail: 0.1 deg. in PA 60 deg, 25x100B].

- 2004 Apr. 25.17 UT: m1=4.4, Dia.=3', DC=7, Tail: 0.2 deg. in PA 255 deg 11x80B. ( Puerto de Aralla, alt. 1540 m, Leon, North Spain) [ Mountain location, very clear sky. Magnitude estimate corrected for atmospheric extinction with ICQ winter table. Low altitude. Beginning of nautical twilight ].

- 2004 Apr. 27.18 UT: m1=4.1, Dia.=3', DC=7, Tail: 0.2 deg. in PA 255 deg, 20 cm SCT (77x). ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [ Mountain location, clear sky. Magnitude estimate corrected for atmospheric extinction with ICQ winter table. Very low altitude. Beginning of nautical twilight ].

- 2004 June 8.91 UT: m1=6.0, Dia.=8', DC=3, 11x80B ( Alto del Castro - Aralla, alt.1720 m, Leon, North Spain )[ Comparison stars at the same low altitude as the comet ].

- 2004 June 13.91 UT: m1=6.3, Dia.=8', DC=4, Tail: 0.4 deg. in PA 120 deg, 11x80B ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain)[ Comparison stars at the same low altitude as the comet ].

- 2004 June 15.91 UT: m1=6.7, Dia.=8', DC=4, Tail: 0.4 deg. in PA 120 deg, 25x100B ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain)[ 15.90 UT: m1=6.4, 7x50B. Comparison stars at the same low altitude as the comet ].

 

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2002T7  2003 08 27.14  S 12.9 HS 20.3T10 206   0.5  3            ICQ XX GON05
   2002T7  2003 09 25.12  S 11.9 TK 20.3T10 206   0.8  5            ICQ XX GON05
   2002T7  2003 10 08.21  S 11.6 TK 20.3T10  77   0.9  6            ICQ XX GON05
   2002T7  2003 11 17.86  S 10.1 TK 20.3T10  77   3    6            ICQ XX GON05
   2002T7  2003 11 17.88  S 10.1 TK 10.0B    25   3    7            ICQ XX GON05
   2002T7  2003 11 25.83  S  9.7 TK 10.0B    25   3    7            ICQ XX GON05
   2002T7  2003 11 25.85  S  9.7 TK  8.0B    11   2    8            ICQ XX GON05
   2002T7  2003 12 10.76  S  9.2 TK 10.0B    25   3    5            ICQ XX GON05
   2002T7  2003 12 15.77  S  8.9 TK 10.0B    25   4    5            ICQ XX GON05
   2002T7  2003 12 15.79  S  8.9 TK  8.0B    11   4    6            ICQ XX GON05
   2002T7  2003 12 15.83  S  9.1 TK 10.2M13  65   4    5   0.1   70 ICQ XX GON05
   2002T7  2003 12 16.81  S  8.9 TK 10.0B    25   4    5   0.1   80 ICQ XX GON05
   2002T7  2003 12 16.82  S  8.9 TK  8.0B    11   4    6            ICQ XX GON05
   2002T7  2003 12 16.85  S  9.5 TK 20.3T10  77   3    5   0.2   80 ICQ XX GON05
   2002T7  2003 12 20.97  S  8.6 TK 10.0B    25   4    5            ICQ XX GON05
   2002T7  2003 12 21.02  S  8.5 TK 10.0B    25   5    5            ICQ XX GON05
   2002T7  2003 12 21.03  S  8.6 TK 10.2M13  65   4    5            ICQ XX GON05
   2002T7  2003 12 23.79  S  8.6 TK 10.2M13  65   4    5   0.2   80 ICQ XX GON05
   2002T7  2003 12 23.81  S  8.5 TK  8.0B    11   6    5            ICQ XX GON05
   2002T7  2003 12 23.83  S  8.4 TK 10.0B    25   6    5   0.1   80 ICQ XX GON05
   2002T7  2003 12 26.97  S  8.2 TK 10.0B    25   6    5   0.2   80 ICQ XX GON05
   2002T7  2003 12 26.99  S  8.2 TK  8.0B    11   6    5            ICQ XX GON05
   2002T7  2003 12 27.78  S  8.2 TK  8.0B    11   6    5            ICQ XX GON05
   2002T7  2003 12 28.87  S  8.5 TK  8.0B    11   4    5            ICQ XX GON05
   2002T7  2004 01 06.83  S  8.3 TK 10.0B    25   4    5            ICQ XX GON05
   2002T7  2004 01 09.78  S  7.4 TK  5.0B     7  13    5   0.2   80 ICQ XX GON05
   2002T7  2004 01 11.80  S  7.5 TK  5.0B     7  13    5            ICQ XX GON05
   2002T7  2004 01 11.81  S  7.5 TK  8.0B    11  13    5   0.2   80 ICQ XX GON05
   2002T7  2004 01 11.83  S  7.7 TK 20.3T10  36  11    6            ICQ XX GON05
   2002T7  2004 01 14.80  S  7.4 TK  5.0B     7  13    5            ICQ XX GON05
   2002T7  2004 01 14.81  S  7.4 TK  8.0B    11  13    5   0.3   70 ICQ XX GON05
   2002T7  2004 01 14.82  S  7.5 TK 10.0B    25   8    5   0.6   70 ICQ XX GON05
   2002T7  2004 01 14.84  S  7.7 TK 10.2M13  65   6    6   0.2   70 ICQ XX GON05
   2002T7  2004 01 16.79  S  7.4 TK  5.0B     7  11    5            ICQ XX GON05
   2002T7  2004 01 16.80  S  7.4 TK  8.0B    11  11    5   0.2   70 ICQ XX GON05
   2002T7  2004 01 18.81  S  7.4 TK  5.0B     7  11    5            ICQ XX GON05
   2002T7  2004 01 18.82  S  7.4 TK  8.0B    11  11    5   0.2   70 ICQ XX GON05
   2002T7  2004 01 19.83  S  7.5 TK  5.0B     7  11    5            ICQ XX GON05
   2002T7  2004 01 19.83  S  7.5 TK  8.0B    11  11    5   0.2   70 ICQ XX GON05
   2002T7  2004 01 19.84  S  7.6 TK 10.0B    25  11    6   0.4   70 ICQ XX GON05
   2002T7  2004 01 21.80  S  7.5 TK  5.0B     7  10    5   0.2   70 ICQ XX GON05
   2002T7  2004 01 21.80  S  7.4 TK  8.0B    11  10    5   0.2   70 ICQ XX GON05
   2002T7  2004 01 21.82  S  7.7 TK 10.0B    25   9    6   0.3   70 ICQ XX GON05
   2002T7  2004 01 25.92  S  7.5 TK  5.0B     7  10    5            ICQ XX GON05
   2002T7  2004 01 25.92  S  7.5 TK  8.0B    11  10    5            ICQ XX GON05
   2002T7  2004 01 25.93  S  7.7 TK 10.0B    25   8    6   0.2   70 ICQ XX GON05
   2002T7  2004 01 28.80  S  7.5 TK  8.0B    11   6    5            ICQ XX GON05
   2002T7  2004 01 28.80  S  7.6 TK  5.0B     7   6    5            ICQ XX GON05
   2002T7  2004 01 28.81  S  7.6 TK 10.0B    25   4    6   0.2   65 ICQ XX GON05
   2002T7  2004 01 28.82  S  7.9 TK 10.2M13  65   4    6   0.1   65 ICQ XX GON05
   2002T7  2004 01 30.82  S  7.4 TK  8.0B    11   6    5            ICQ XX GON05
   2002T7  2004 01 30.82  S  7.6 TK 10.0B    25   5    6            ICQ XX GON05
   2002T7  2004 01 30.86  S  7.9 TK 10.2M13  65   4    6            ICQ XX GON05
   2002T7  2004 01 31.83  S  7.5 TK  8.0B    11   7    5   0.1   65 ICQ XX GON05
   2002T7  2004 01 31.84  S  7.5 TK  5.0B     7   7    5            ICQ XX GON05
   2002T7  2004 01 31.85  S  7.7 TK 10.0B    25   6    6   0.1   65 ICQ XX GON05
   2002T7  2004 02 04.83  S  7.5 TK  8.0B    11   5    5            ICQ XX GON05
   2002T7  2004 02 05.81  S  7.7 TK  8.0B    11   4    6            ICQ XX GON05
   2002T7  2004 02 08.82  S  7.3 TK  5.0B     7  11    6   0.2   60 ICQ XX GON05
   2002T7  2004 02 08.83  S  7.3 TK  8.0B    11  11    6   0.2   60 ICQ XX GON05
   2002T7  2004 02 08.83  S  7.4 TK 10.0B    25   9    6   0.2   60 ICQ XX GON05
   2002T7  2004 02 08.84  S  7.6 TK 10.2M13  65   7    6   0.1   60 ICQ XX GON05
   2002T7  2004 02 10.82  S  7.1 TK  5.0B     7  12    6   0.2   60 ICQ XX GON05
   2002T7  2004 02 10.83  S  7.1 TK  8.0B    11  12    6   0.2   60 ICQ XX GON05
   2002T7  2004 02 10.85  S  7.6 TK 20.3T10  36   6    6   0.2   60 ICQ XX GON05
   2002T7  2004 02 11.82  S  7.1 TK  5.0B     7  10    6   0.2   60 ICQ XX GON05
   2002T7  2004 02 11.82  S  7.1 TK  8.0B    11  10    6   0.2   60 ICQ XX GON05
   2002T7  2004 02 11.83  S  7.5 TK 10.0B    25   6    6   0.3   60 ICQ XX GON05
   2002T7  2004 02 12.81  S  7.1 TK  5.0B     7  12    6   0.3   60 ICQ XX GON05
   2002T7  2004 02 12.82  S  7.0 TK  8.0B    11  12    6   0.3   60 ICQ XX GON05
   2002T7  2004 02 12.82  S  7.3 TK 10.0B    25   7    6   0.6   60 ICQ XX GON05
   2002T7  2004 02 13.81  S  7.1 TK  5.0B     7  12    6   0.3   55 ICQ XX GON05
   2002T7  2004 02 13.82  S  7.0 TK  8.0B    11  12    6   0.3   55 ICQ XX GON05
   2002T7  2004 02 18.84  S  7.0 TK  5.0B     7   9    6   0.2   60 ICQ XX GON05
   2002T7  2004 02 18.85  S  7.0 TK  8.0B    11   9    6   0.4   60 ICQ XX GON05
   2002T7  2004 02 20.81  S  6.9 TK  5.0B     7   8    7   0.3   60 ICQ XX GON05
   2002T7  2004 02 20.82  S  7.0 TK  8.0B    11   8    6   0.3   60 ICQ XX GON05
   2002T7  2004 02 20.83  S  7.2 TK 10.0B    25   7    6   0.4   60 ICQ XX GON05
   2002T7  2004 02 20.84  S  7.4 TK 10.2M13  65   6    6   0.3   60 ICQ XX GON05
   2002T7  2004 02 22.81  S  6.9 TK  5.0B     7   8    7   0.3   60 ICQ XX GON05
   2002T7  2004 02 22.82  S  6.9 TK  8.0B    11   8    6   0.3   60 ICQ XX GON05
   2002T7  2004 02 22.82  S  7.1 TK 10.0B    25   7    6   0.3   60 ICQ XX GON05
   2002T7  2004 02 24.81  S  6.9 TK  5.0B     7   7    7            ICQ XX GON05
   2002T7  2004 02 24.82  S  6.9 TK  8.0B    11   7    6   0.2   60 ICQ XX GON05
   2002T7  2004 02 24.82  S  7.1 TK 10.0B    25   6    6   0.2   60 ICQ XX GON05
   2002T7  2004 03 01.81  S  6.7 TK  8.0B    11   6    6            ICQ XX GON05
   2002T7  2004 03 01.82  S  6.7 TK  5.0B     7   6    7            ICQ XX GON05
   2002T7  2004 03 01.83  S  6.9 TK 10.0B    25   5    6   0.1   60 ICQ XX GON05
   2002T7  2004 04 15.20   [ 4.2 TK  8.0B    11                     ICQ XX GON05
   2002T7  2004 04 25.17 $B  4.4 TK  8.0B    11   3    7   0.2  255 ICQ XX GON05
   2002T7  2004 04 27.18 $B  4.1 TK 20.3T10  77   3    7   0.2  255 ICQ XX GON05
   2002T7  2004 06 08.91  S  6.0 TK  8.0B    11   8    3            ICQ XX GON05
   2002T7  2004 06 13.90  S  6.3 TK  5.0B     7   8    3            ICQ XX GON05
   2002T7  2004 06 13.91  S  6.3 TK  8.0B    11   8    4   0.4  120 ICQ XX GON05
   2002T7  2004 06 15.90  S  6.4 TK  5.0B     7   8    3            ICQ XX GON05
   2002T7  2004 06 15.91  S  6.7 TK 10.0B    25   8    4   0.4  120 ICQ XX GON05

C/2002 V1 (NEAT)

- 2003 Jan. 3.83 UT: m1=7.6, Dia.=13', DC=3, 7x50B. ( Sierra del Aramo, alt.1230 m, Asturias, North Spain).

- 2003 Jan. 6.89 UT: m1=7.3, Dia.=13', DC=3, 7x50B. ( Sierra de Linares, alt.831 m, Asturias, North Spain) [ After moonset ].

- 2003 Jan. 8.80 UT: m1=7.3, Dia.=10', DC=3, 7x50B. ( Sierra del Aramo, alt.570 m, Asturias, North Spain) [Some moonlight interference].

- 2003 Jan. 12.82 UT: m1=6.9, Dia.=7', DC=4, 7x50B. ( Aralla, alt.1130 m, Leon, North Spain) [ 12.83 UT: m1=6.9, Dia.=6', DC=5, 11x80B. Mountain location, clear sky. Moonlight interference].

- 2003 Jan. 14.80 UT: m1=6.8, Dia.=6', DC=5, 7x50B. ( Camposagrado, alt.1100 m, Leon, North Spain). [ 14.81 UT: m1=6.8, Dia.=6', DC=6, 11x80B. Clear sky, moonlight interference].

- 2003 Jan. 16.80 UT: m1=6.8, Dia.=5', DC=5, 7x50B. ( Caldas de Luna, alt.1120 m, Leon, North Spain) [ 16.81 UT: m1=6.8, Dia.=6', DC=6, 11x80B. Mountain location, clear sky. Strong moonlight interference].

- 2003 Jan. 20.79 UT: m1=6.4, Dia.=6', DC=6, Tail: 0.2 deg. in PA 65 deg, 7x50B. ( Sierra del Aramo, alt.1031 m, Asturias, North Spain) [ 20.80 UT: m1=6.3, Dia.=6', DC=6, Tail: 0.3 deg. in PA 65 deg,11x80B. Observation made after the end of astronomical twilight and before moonrise. Mountain location, clear sky, NELM=5.8 near comet ].

- 2003 Jan. 23.81 UT: m1=6.0, Dia.=7', DC=6, Tail: 0.2 deg. in PA 60 deg, 11x80B.( Sierra del Aramo, alt.1031 m, Asturias, North Spain) [ 23.80 UT: m1=6.1, Dia.=7', DC=6, 7x50B. Zodiacal Light, NELM=5.9 near comet ].

- 2003 Jan. 27.82 UT: m1=5.8, Dia.=7', DC=7, Tail: 0.7 deg. in PA 65 deg, 7x50B. ( Camposagrado, alt.1100 m, Leon, North Spain). [ Comet near the limit of naked eye visibility. Zodiacal Light, NELM=5.5 near comet ].

- 2003 Jan. 31.80 UT: m1=5.7, Dia.=6', DC=8, Tail: 0.5 deg. in PA 55 deg, 7x50B. ( Buseco - Oviedo, alt.470 m, Asturias, North Spain). [ NELM=5.5 near comet ].

- 2003 Feb. 02.80 UT: m1=5.1, Dia.=6', DC=8, Tail: 1.5 deg. in PA 50 deg, 7x50B. ( Montejos del Camino, alt.950 m, Leon, North Spain) [ Comet visible to naked eye: Feb. 02.81 UT: NE: m1=5.0, DC=9. Very clear sky. Observation made under better conditions and from a higher location than two days ago. Tail appears brighter and longer in 7x50B. NELM=5.7 near comet ].

- 2003 Feb. 07.80 UT: m1=4.6, Dia.=5', DC=8, Tail: 3 deg. in PA 45 deg, 7x50B. ( Pico Fario - Siero, alt.670 m, Asturias, North Spain) [ Moonlight. NELM=4.5 near comet ].

- 2003 Feb. 08.80 UT: m1=4.2, DC=9, NE. ( North Spain ) [ Moonlight. Comet observed from comercial jet aircraft flying at an altitude of 8000 m over Valladolid ].

- 2003 Feb. 16.29 UT: m1= - 0.5:, Dia.=2', DC=9, Tail: 0.2 deg. in PA 350 deg, 11x80B. ( Sierra del Aramo, alt.1240 m, Asturias, North Spain) [ Mountain location, clear sky. Magnitude estimate corrected for atmospheric extinction with ICQ winter table. Very low altitude: 2 deg; solar elongation 8 deg. Mercury and the comet were clearly visible in the twilight, half an hour before sunrise ].

 

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2002V1  2003 01 03.83  S  7.6 TJ  5.0B     7  13    3            ICQ XX GON05
   2002V1  2003 01 06.89  S  7.3 TJ  5.0B     7  13    3            ICQ XX GON05
   2002V1  2003 01 08.80  S  7.3 TJ  5.0B     7  10    3            ICQ XX GON05
   2002V1  2003 01 12.82  S  6.9 TJ  5.0B     7   7    4            ICQ XX GON05
   2002V1  2003 01 12.83  S  6.9 TJ  8.0B    11   6    5            ICQ XX GON05
   2002V1  2003 01 14.80  S  6.8 TJ  5.0B     7   6    5            ICQ XX GON05
   2002V1  2003 01 14.81  S  6.8 TJ  8.0B    11   6    6            ICQ XX GON05
   2002V1  2003 01 16.80  S  6.8 TJ  5.0B     7   5    5            ICQ XX GON05
   2002V1  2003 01 16.81  S  6.8 TJ  8.0B    11   6    6            ICQ XX GON05
   2002V1  2003 01 20.79  S  6.4 TJ  5.0B     7   6    6   0.2   65 ICQ XX GON05
   2002V1  2003 01 20.80  S  6.3 TJ  8.0B    11   6    6   0.3   65 ICQ XX GON05
   2002V1  2003 01 23.80  S  6.1 TJ  5.0B     7   7    6            ICQ XX GON05
   2002V1  2003 01 23.81  S  6.0 TJ  8.0B    11   7    6   0.2   60 ICQ XX GON05
   2002V1  2003 01 27.82  S  5.8 TJ  5.0B     7   7    7   0.7   65 ICQ XX GON05
   2002V1  2003 01 31.80  B  5.7 TJ  5.0B     7   6    8   0.5   55 ICQ XX GON05
   2002V1  2003 02  2.80  B  5.1 TJ  5.0B     7   6    8   1.5   50 ICQ XX GON05
   2002V1  2003 02  2.81  I  5.0 TJ  0.0E     1        9            ICQ XX GON05
   2002V1  2003 02 07.80  B  4.6 TJ  5.0B     7   5    8   3     45 ICQ XX GON05
   2002V1  2003 02 08.80  I  4.2 TJ  0.0E     1        9            ICQ XX GON05
   2002V1  2003 02 16.29 $B -0.5:AE  8.0B    11   2    9   0.2  350 ICQ XX GON05

C/2002 X5 (Kudo-Fujikawa)

- 2002 Dec. 16.21 UT: m1=8.0, Dia.=5', DC=3, 7x50B. ( Covadonga, Picos de Europa, alt.920 m, Asturias, North Spain) [ 16.20 UT: m1=7.9, Dia.=6', DC=3, 11x80B. NELM=5.9 near comet ].

- 2002 Dec. 20.23 UT: m1=7.1, Dia.=5', DC=4, 11x80B. ( Sierra del Aramo, alt.1030 m, Asturias, North Spain) [ moonlight, NELM=5.5 near comet ].

- 2002 Dec. 27.22 UT: m1=6.7, Dia.=6', DC=6, 11x80B. ( Sierra del Aramo, alt.1030 m, Asturias, North Spain) [ 27.22 UT: m1=6.9, Dia.=5', DC=6, 7x50B. Moonlight, NELM=5.5 near comet ].

- 2003 Jan. 3.25 UT: m1=6.4, Dia.=5', DC=6, 7x50B. ( Sierra del Aramo, alt.1005 m, Asturias, North Spain) [ 3.26 UT: m1=6.5, Dia.=6', DC=6, Tail: 0.1 deg. in PA 0 deg, 11x80B. NELM=5.5 near comet ].

- 2003 Jan. 3.80 UT: m1=6.4, Dia.=6', DC=6, 11x80B. ( Sierra del Aramo, alt.1230 m, Asturias, North Spain).

- 2003 Jan. 6.79 UT: m1=6.5, Dia.=6', DC=6, 11x80B. ( Sierra de Linares, alt.831 m, Asturias, North Spain) [ Observation made after the end of astronomical twilight. Comparison stars at the same low altitude ( 4 deg ) as the comet ].

- 2003 Jan. 13.26 UT: m1=5.6, Dia.=4', DC=7, Tail: 0.4 deg. in PA 355 deg, 7x50B. ( Camposagrado, alt.1100 m, Leon, North Spain).

- 2003 Jan. 14.77 UT: m1=5.8, Dia.=3', DC=8, 11x80B. ( Camposagrado, alt.1100 m, Leon, North Spain). [ Mountain location, clear sky, slight haze on horizon. Astronomical twilight, moonlight interference. Comparison stars at the same low altitude ( 4 deg ) as the comet ].

- 2003 Jan. 15.26 UT: m1=5.6, Dia.=4', DC=8, Tail: 0.2 deg. in PA 355 deg, 7x50B. ( Camposagrado, alt.1100 m, Leon, North Spain)[ 15.26 UT: m1=5.6, Dia.=4', DC=7, Tail: 0.4 deg. in PA 355 deg,11x80B. Before the beginning of the astronomical twilight; mountain location, clear sky. Comparison stars at the same low altitude ( 4 deg ) as the comet ].

- 2003 Mar. 20.88 UT: m1=10.3, Dia.=3', DC=2, 20 cm SCT (77x). ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain ) [ Comparison stars at the same low altitude as the comet ].

 
IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2002X5  2002 12 16.20  S  7.9 TJ  8.0B    11   6    3            ICQ XX GON05
   2002X5  2002 12 16.21  S  8.0 TJ  5.0B     7   5    3            ICQ XX GON05
   2002X5  2002 12 20.23  S  7.1 TJ  8.0B    11   5    4            ICQ XX GON05
   2002X5  2002 12 27.22  S  6.7 TJ  8.0B    11   6    6            ICQ XX GON05
   2002X5  2002 12 27.22  S  6.9 TJ  5.0B     7   5    6            ICQ XX GON05   
   2002X5  2003 01 03.25  S  6.4 TJ  5.0B     7   5    6            ICQ XX GON05
   2002X5  2003 01 03.26  S  6.5 TJ  8.0B    11   6    6   0.1    0 ICQ XX GON05
   2002X5  2003 01 03.80  S  6.4 TJ  8.0B    11   6    6            ICQ XX GON05
   2002X5  2003 01 06.79  S  6.5 TJ  8.0B    11   6    6            ICQ XX GON05
   2002X5  2003 01 13.26  S  5.6 TJ  5.0B     7   4    7   0.4  355 ICQ XX GON05
   2002X5  2003 01 14.77  S  5.8 TJ  8.0B    11   3    8            ICQ XX GON05
   2002X5  2003 01 15.26  S  5.6 TJ  8.0B    11   4    7   0.4  355 ICQ XX GON05
   2002X5  2003 01 15.26  S  5.6 TJ  5.0B     7   4    8   0.2  355 ICQ XX GON05
   2002X5  2003 03 20.88  S 10.3 TJ 20.3T10  77   3    2            ICQ XX GON05

C/2002 Y1 ( Juels-Holvorcem)

- 2003 Jan. 28.01 UT: m1=10.3, Dia.=3', DC=3, 20 cm SCT (77x). ( Camposagrado, alt.1100 m, Leon, North Spain).

- 2003 Feb. 08.05 UT: m1=8.5, Dia.=6', DC=4, 7x50B. ( Camposagrado, alt.1135 m, Leon, North Spain) [ NELM=6.0 near comet ].

- 2003 Feb. 16.22 UT: m1=7.8, Dia.=4', DC=3, 11x80B. ( Camposagrado, alt.1090 m, Leon, North Spain) [ Moonlight ].

- 2003 Feb. 20.93 UT: m1=7.7, Dia.=6', DC=3, 11x80B. ( Sierra del Aramo, alt.1240 m, Asturias, North Spain) [ Feb. 20.94 UT: m1=8.1, Dia.=5', DC=5, 20 cm SCT (77x). Before moonrise. ].

- 2003 Mar. 4.01 UT: m1=6.9, Dia.=10', DC=5, 7x50B. (Sierra de Linares, alt.831 m, Asturias, North Spain).

- 2003 Mar. 9.15 UT: m1=6.7, Dia.=8', DC=5, 7x50B. ( Camposagrado, alt.1135 m, Leon, North Spain) [ Mar. 9.15 UT: m1=6.8, Dia.=5', DC=5, 20 cm SCT (77x)].

- 2003 Mar. 19.84 UT: m1=6.5, Dia.=7', DC=5, 7x50B. ( Camposagrado, alt.1135 m, Leon, North Spain ) [ Before moonrise. Comparison stars at the same low altitude as the comet ].

- 2003 Mar. 20.84 UT: m1=6.7, Dia.=5', DC=6, 7x50B. ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain ) [ Zodiacal Light. Comparison stars at the same low altitude as the comet ].

- 2003 Apr. 1.18 UT: m1=6.2, Dia.=4', DC=6, 7x50B. ( Sierra del Aramo, alt.1005 m, Asturias, North Spain ) [ Comparison stars at the same low altitude as the comet ].

- 2003 Apr. 6.18 UT: m1=6.1, Dia.=3', DC=7, Tail: 0.5 deg. in PA 340 deg, 7x50B. ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain ) [ Comparison stars at the same low altitude as the comet ].

- 2003 Apr. 8.18 UT: m1=6.1, Dia.=3', DC=8, Tail: 0.5 deg. in PA 340 deg, 7x50B. ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain ) [ Comparison stars at the same low altitude as the comet ].

 

IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2002Y1  2003 01 28.01  S 10.3 TJ 20.3T10  77   3    3            ICQ XX GON05
   2002Y1  2003 02 08.05  S  8.5 TJ  5.0B     7   6    4            ICQ XX GON05
   2002Y1  2003 02 16.22  S  7.8 TJ  8.0B    11   4    3            ICQ XX GON05
   2002Y1  2003 02 20.93  S  7.7 TJ  8.0B    11   6    3            ICQ XX GON05
   2002Y1  2003 02 20.94  S  8.1 TJ 20.3T10  77   5    5            ICQ XX GON05
   2002Y1  2003 03 04.01  S  6.9 TJ  5.0B     7  10    5            ICQ XX GON05
   2002Y1  2003 03 09.11  S  6.8 TJ 20.3T10  77   5    5            ICQ XX GON05
   2002Y1  2003 03 09.15  S  6.7 TJ  5.0B     7   8    5            ICQ XX GON05
   2002Y1  2003 03 19.84  S  6.5 TJ  5.0B     7   7    5            ICQ XX GON05
   2002Y1  2003 03 20.84  S  6.7 TJ  5.0B     7   5    6            ICQ XX GON05
   2002Y1  2003 04 01.18  S  6.2 TJ  5.0B     7   4    6            ICQ XX GON05
   2002Y1  2003 04 06.18  B  6.1 TJ  5.0B     7   3    7   0.5  340 ICQ XX GON05
   2002Y1  2003 04 08.18  B  6.1 TJ  5.0B     7   3    8   0.5  340 ICQ XX GON05

C/2003 H1 (LINEAR)

- 2004 Jan. 20.23 UT: m1=13.3, Dia.=1', DC=2, 20 cm SCT (100x). ( Cordal de las Segadas, alt.880 m, Asturias, North Spain).

- 2004 Feb. 01.23 UT: m1=12.7, Dia.=1'.2, DC=3, 20 cm SCT (100x). ( Cordal de las Segadas, alt.880 m, Asturias, North Spain).

- 2004 Feb. 17.22 UT: m1=12.5, Dia.=1'.5, DC=4, 20 cm SCT (77x). ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain).

- 2004 Mar. 15.99 UT: m1=11.4, Dia.=1'.7, DC=5, 20 cm SCT (77x). ( Puerto de Aralla, alt. 1560 m, Leon, North Spain).

- 2004 Apr. 14.93 UT: m1=12.4, Dia.=1'.0, DC=5, 20 cm SCT (100x). ( Puerto de Aralla, alt. 1560 m, Leon, North Spain).

 
IIIYYYYMnL YYYY MM DD.DD eM[mm.m:r AAA.ATF/xxxx &dd.ddnDC &t.ttmANG ICQ XX*OBSxx
  Comet    Year Mn Day   eM  mag rf Instr   pwr  coma  DC tail  p.a        OBS
   2003H1  2004 01 20.23  S 13.3 TK 20.3T10 100   1    2            ICQ XX GON05
   2003H1  2004 02 01.23  S 12.7 TK 20.3T10 100   1.2  3            ICQ XX GON05
   2003H1  2004 02 17.22  S 12.5 TK 20.3T10  77   1.5  4            ICQ XX GON05
   2003H1  2004 03 15.99  S 11.4 TK 20.3T10  77   1.7  5            ICQ XX GON05
   2003H1  2004 04 14.93  S 12.4 TK 20.3T10 100   1.0  5            ICQ XX GON05

C/2003 K4 (LINEAR)

- 2004 Feb. 17.24 UT: m1=12.7, Dia.=0'.5, DC=5, 20 cm SCT (100x). ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain).

- 2004 Mar. 16.18 UT: m1=12.4, Dia.=0'.5, DC=6, 20 cm SCT (100x). ( Puerto de Aralla, alt. 1560 m, Leon, North Spain).

- 2004 Apr. 15.14 UT: m1=11.6, Dia.=0'.7, DC=5, 20 cm SCT (133x). ( Puerto de Aralla, alt. 1560 m, Leon, North Spain).

- 2004 Apr. 25.14 UT: m1=11.4, Dia.=0'.8, DC=5, 20 cm SCT (100x). ( Puerto de Aralla, alt. 1540 m, Leon, North Spain).

- 2004 May 16.05 UT: m1=10.8, Dia.=1'.5, DC=5, 20 cm SCT (100x). ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain).

- 2004 May 16.94 UT: m1=10.3, Dia.=2'.5, DC=5, 25x100B. ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain).

- 2004 June 2.95 UT: m1=10.2, Dia.=2', DC=5, 20 cm SCT (77x) ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain) [ Moonlight ].

- 2004 June 8.96 UT: m1=8.3, Dia.=5', DC=5, 11x80B ( Puerto de Aralla, alt. 1390 m, Leon, North Spain )[ 8.93 UT: 25x100B: m1= 8.5, Dia.=4', DC=5].

- 2004 June 13.06 UT: m1=8.1, Dia.=5', DC=5, 7x50B ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain).

- 2004 June 13.95 UT: m1=8.1, Dia.=6', DC=5, 7x50B ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain).

- 2004 June 15.93 UT: m1=8.1, Dia.=8', DC=5, 7x50B ( Alto del Castro - Aralla, alt. 1720 m, Leon, North Spain)[ 15.94 UT: m1=8.4, 25x100B. Elongated coma ].

- 2004 June 21.93 UT: m1=8.0, Dia.=9', DC=5, 7x50B ( Angliru - Sierra del Aramo, alt. 1550 m, Asturias, North Spain). 

- 2004 Jun