Updated 2005 April 1
Further to IAUC 8458, following are the initial observations of additional comets found on SOHO website images (XG = X. Gao; RM = R. Matson; SF = S. Farmer, Jr.); all are Kreutz sungrazers except for C/2004 W10 (which belongs to the Marsden group) and C/2004 X7 (which does not belong to a known group).
Comet 2004 UT R.A.(2000)Decl. Inst. F MPEC C/2004 W7 Nov. 24.096 15 51.3 -24 34 C3/2 TH 2005-A12 C/2004 W8 24.129 15 59.8 -22 18 C2 XL 2005-A12 C/2004 W9 28.435 16 18.7 -23 07 C2 XG 2005-A12 C/2004 W10 29.102 16 18.4 -21 20 C2 RK 2005-A13 C/2004 W11 30.618 16 28.8 -23 32 C2 RM 2005-A13 C/2004 X4 Dec. 2.971 16 35.9 -25 46 C3/2 SF 2005-A13 C/2004 X5 4.976 16 50.6 -24 19 C2 TH 2005-A13 C/2004 X6 6.643 16 58.2 -24 30 C2 TH 2005-A40 C/2004 X7 7.185 17 01.4 -21 35 C2 RK 2005-A40 C/2004 X8 8.811 17 08.2 -24 47 C2 RM 2005-A40 C/2004 X9 13.242 17 27.7 -25 04 C2 KB 2005-A40[IAUC 8466, 2005 January 17]
Further to IAUC 8466, following are the initial observations of additional comets found on SOHO website images (GG = G. Gallina; HO = H. Otterstedt); all are Kreutz sungrazers except for C/2004 Y4, which has no known group membership and reached mag 5-6 on Dec. 26 (but showed no tail).
Comet 2004 UT R.A.(2000)Decl. Inst. F MPEC C/2004 X10 Dec. 13.292 17 27.9 -25 05 C2 KB 2005-A41 C/2004 X11 13.883 17 30.1 -25 03 C2 GG 2005-A41 C/2004 Y2 18.975 17 53.7 -25 18 C2 HS 2005-A41 C/2004 Y3 24.279 18 22.1 -28 37 C3 TS 2005-A41 C/2004 Y4 24.679 18 14.6 -17 32 C3 HO 2005-A41[IAUC 8469, 2005 January 19]
Further to IAUC 8469, following are the initial observations of additional Kreutz sungrazing comets found on SOHO website images.
Comet 2004 UT R.A.(2000)Decl. Inst. F MPEC C/2004 T8 Oct. 4.179 12 26.0 - 5 30 C3/2 HS 2005-B39 C/2004 Y5 Dec. 25.821 18 26.3 -25 53 C3/2 BZ 2005-B39 C/2004 Y6 25.983 18 25.7 -24 59 C2 HS 2005-B39 C/2004 Y7 26.267 18 27.3 -24 48 C2 HS 2005-B39 C/2004 Y8 26.738 18 33.3 -26 04 C3 HO 2005-B39[IAUC 8471, 2005 January 21]
Further to IAUC 8471, following are the initial observations of additional comets found on SOHO website images (Kreutz sungrazers except for C/2004 Y10).
Comet 2004 UT R.A.(2000)Decl. Inst. F MPEC C/2004 Y9 Dec. 28.034 18 35.2 -24 35 C2 XG 2005-B62 C/2004 Y10 28.508 18 37.5 -22 16 C2 TH 2005-B62 C/2004 Y11 28.866 18 39.8 -25 20 C3/2 HS 2005-B62 Comet 2005 UT R.A.(2000)Decl. Inst. F MPEC C/2005 B2 Jan. 25.471 20 46.7 -20 26 C3 KC 2005-B62[IAUC 8475, 2005 February 2]
Additional Kreutz comets (cf. IAUC 8475; YT = Y.-s. Tsai):
Comet 2004 UT R.A.(2000)Decl. Inst. F MPEC C/2004 Y12 Dec. 31.113 18 57.3 -28 09 C3/2 TH 2005-C38 Comet 2005 UT R.A.(2000)Decl. Inst. F MPEC C/2005 A2 Jan. 3.404 19 08.9 -25 51 C3 YT 2005-C38 C/2005 A3 6.488 19 23.4 -26 01 C3 HS 2005-C38 C/2005 A4 13.321 19 58.1 -25 03 C3 HS 2005-C38 C/2005 A5 15.405 20 01.0 -22 56 C3 RK 2005-C38[IAUC 8483, 2005 February 11]
An additional Kreutz sungrazing comet (cf. IAUC 8483):
Comet 1997 UT R.A.(2000)Decl. Inst. F MPEC C/1997 E2 Mar. 5.281 23 22.2 - 6 57 C3 XL 2005-C38[IAUC 8487, 2005 February 15]
Continuation to IAUC 8487 (C/2005 B3 is a Kreutz sungrazer, while C/2005 B4 belongs to the Meyer group):
Comet 2005 UT R.A.(2000)Decl. Inst. F MPEC C/2005 B3 Jan. 26.821 20 53.6 -20 26 C3 XL 2005-D18 C/2005 B4 30.688 20 56.6 -16 11 C2 BZ 2005-D18[IAUC 8488, 2005 February 27]