Summary of the brighter comets in 2006

The following table gives a summary of the comets brighter than 16 mag, which were observed by members of the German Comet Section.

The maximum brightness of comets brighter than 10.0 mag is given with an accuracy of 0.1 mag, that of fainter comets with an accuracy of 0.5 mag. The maximum coma diameter is given with an accuracy of 0.1' for comae less than 1', with an accuracy of 0.5' for comae between 1' and 5' and with an accuracy of 1' for larger comae.

Designation discovered T q [AU] m_max Coma ['] FGK

C/2003 K4 (LINEAR) May 28, 2003 Oct 13, 2004 1.10 13.5 1.0 V

C/2003 WT₄₂ (LINEAR) Nov 19, 2003 Apr 10, 2006 5.19 13.0 1.0 V, C

C/2004 B1 (LINEAR) Jan 29, 2004 Feb 07, 2006 1.60 12.0 1.5 V, C

C/2005 E2 (McNaught) Mar 12, 2005 Feb 23, 2006 1.52 10.0 3.0 V, C

P/2005 XA₅₄ (LONEOS-Hill) Dec 04, 2005 Mar 07, 2006 1.78 15.0 0.5 C

C/2006 A1 (Pojmanski) Jan 04, 2006 Feb 22, 2006 0.56 5.1 5 V, C

P/2006 HR₃₀ (Siding Spring) Apr 20, 2006 Jan 02, 2007 1.23 14.0 0.1 V, C

C/2006 L1 (Garradd) Jun 04, 2006 Oct 18, 2006 1.46 9.4 6 V, C

C/2006 M4 (SWAN) Jun 20, 2006 Sep 28, 2006 0.78 4.2 14 V, C

C/2006 P1 (McNaught) Aug 07, 2006 Jan 12, 2007 0.17 3.0 1.5 C

P/2006 T1 (Levy) Oct 02, 2006 Oct 07, 2006 0.99 9.5 3.0 V, C

4P/Faye - Nov 15, 2006 1.67 9.9 4.0 V, P, C

29P/Schwassmann-Wachmann - Jul 10, 2004 5.72 12.0 2.0 V,C

41P/Tuttle-Giacobini-Kresak - Jun 11, 2006 1.05 10.0 4.5 C

45P/Honda-Mrkos-Pajdusakova - Jun 29, 2006 0.53 11.0 2.0 C (Namibia)

71P/Clark - Jun 06, 2006 1.56 10.5 1.5 C

73P/Schwassmann-Wachmann-B - Jun 07, 2006 0.94 5.1 15 V, C

73P/Schwassmann-Wachmann-C - Jun 6, 2006 0.94 5.8 16 V, C

76P/West-Kohoutek-Ikemura - Nov 19, 2006 1.60 13.5 1.0 V, C

177P/Barnard - Aug 28, 2006 1.11 8.5 14 V, C

Explanation

discovered = Date of Discovery
T = Date of Perihelion
q [AU] = Perihelion Distance in AU
m_max = maximum brightness observed in the course of the year
Coma ['] = maximum coma diameter (in arcminutes) observed in the course of the year
FGK = Observation Method used by the members of the German Comet Section (V = visual observation, P = Photography, C = CCD / Digital Camera)

Andreas Kammerer

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Designation	discovered	T	q [AU]	m_max	Coma [']	FGK
C/2003 K4 (LINEAR)	May 28, 2003	Oct 13, 2004	1.10	13.5	1.0	V
C/2003 WT₄₂ (LINEAR)	Nov 19, 2003	Apr 10, 2006	5.19	13.0	1.0	V, C
C/2004 B1 (LINEAR)	Jan 29, 2004	Feb 07, 2006	1.60	12.0	1.5	V, C
C/2005 E2 (McNaught)	Mar 12, 2005	Feb 23, 2006	1.52	10.0	3.0	V, C
P/2005 XA₅₄ (LONEOS-Hill)	Dec 04, 2005	Mar 07, 2006	1.78	15.0	0.5	C
C/2006 A1 (Pojmanski)	Jan 04, 2006	Feb 22, 2006	0.56	5.1	5	V, C
P/2006 HR₃₀ (Siding Spring)	Apr 20, 2006	Jan 02, 2007	1.23	14.0	0.1	V, C
C/2006 L1 (Garradd)	Jun 04, 2006	Oct 18, 2006	1.46	9.4	6	V, C
C/2006 M4 (SWAN)	Jun 20, 2006	Sep 28, 2006	0.78	4.2	14	V, C
C/2006 P1 (McNaught)	Aug 07, 2006	Jan 12, 2007	0.17	3.0	1.5	C
P/2006 T1 (Levy)	Oct 02, 2006	Oct 07, 2006	0.99	9.5	3.0	V, C
4P/Faye	-	Nov 15, 2006	1.67	9.9	4.0	V, P, C
29P/Schwassmann-Wachmann	-	Jul 10, 2004	5.72	12.0	2.0	V,C
41P/Tuttle-Giacobini-Kresak	-	Jun 11, 2006	1.05	10.0	4.5	C
45P/Honda-Mrkos-Pajdusakova	-	Jun 29, 2006	0.53	11.0	2.0	C (Namibia)
71P/Clark	-	Jun 06, 2006	1.56	10.5	1.5	C
73P/Schwassmann-Wachmann-B	-	Jun 07, 2006	0.94	5.1	15	V, C
73P/Schwassmann-Wachmann-C	-	Jun 6, 2006	0.94	5.8	16	V, C
76P/West-Kohoutek-Ikemura	-	Nov 19, 2006	1.60	13.5	1.0	V, C
177P/Barnard	-	Aug 28, 2006	1.11	8.5	14	V, C