The table list the provisional number for the comet, the day (UT) and month of the first (discovery) observation, the year and comet identification, the LASCO or STEREO coronagraph on which it was discovered, the discoverer (additional names are independent discoverers), with the number of their discoveries given in brackets following the name, and finally the date of discovery.
SOHO Observed Des C G Observers Discovered 4599 02/01/2023 C2 O Jiangao Ruan January 2 4600 03/01/2023 C3 K Zesheng Yang January 3 4601 03/01/2023 C3 K Worachate Boonplod January 3 4602 07/01/2023 C3 K Worachate Boonplod January 7 4603 08/01/2023 C3 K Trygve Prestgard January 8 4604 10/01/2023 C2 K Hanjie Tan January 10 4605 14/01/2023 C3 K Worachate Boonplod January 14 4649 06/01/2023 A2 SW O Vladimir Bezugly January 15 4606 16/01/2023 C3 K Zesheng Yang January 16 4607 18/01/2023 C3 K Zesheng Yang January 18 4608 24/01/2023 C3 K Zesheng Yang January 24 4609 26/01/2023 C2 Y Worachate Boonplod January 26 28/01/2023 C3 O Worachate Boonplod January 28 29/01/2023 C3 O Worachate Boonplod January 29 29/01/2023 C3 O Worachate Boonplod January 29 30/01/2023 C3 K Zesheng Yang January 30 30/01/2023 C3 O Jiangao Ruan January 30 30/01/2023 C3 O Hanjie Tan January 30 4642 06/02/2023 C3 K Zesheng Yang February 6 31/01/2023 C3 O Jiangao Ruan February 7 4643 08/02/2023 C3 K Worachate Boonplod February 8 4644 09/02/2023 C3 O Hanjie Tan February 9 4645 15/02/2023 C3 K Worachate Boonplod February 15 4646 21/02/2023 C3 K Hanjie Tan February 21 4647 21/02/2023 C3 K Zesheng Yang February 21 4648 23/02/2023 C3 K Worachate Boonplod February 23 4652 06/03/2023 C3 K Zesheng Yang March 6 4653 06/03/2023 C3 K Hanjie Tan March 6 4654 14/03/2023 C3 K Worachate Boonplod March 14 4655 14/03/2023 C3 K Hanjie Tan March 14 4656 18/03/2023 C2 K Jiangao Ruan March 18 17/03/2023 C2 K Jiangao Ruan March 18 4657 19/03/2023 C2 K Worachate Boonplod March 19 4658 20/03/2023 F2 C3 Y Hanjie Tan March 21 4659 21/03/2023 C3 K Worachate Boonplod March 21 4660 23/03/2023 C3 K Jiangao Ruan March 23 4661 31/03/2001 C2 O Hanjie Tan March 25 08/06/2005 C2 Y Hanjie Tan March 25 03/07/2000 C2 O Hanjie Tan March 25 13/10/2001 C2 Y Hanjie Tan March 25 15/04/2004 C2 K Hanjie Tan March 25 27/11/2003 C2 Y Hanjie Tan March 25 4641 05/11/1998 C2 O Hanjie Tan March 25 29/03/2023 C2 K Hanjie Tan March 29 02/04/2023 C2 K Zesheng Yang April 2 06/04/2023 C2 K Hanjie Tan April 6 25/07/2011 C3 K Jiangao Ruan April 6 07/04/2023 C3 K Hanjie Tan April 7 09/04/2023 C2 K Hanjie Tan, Robert Pickard April 9 12/04/2023 C2 K Worachate Boonplod April 12 14/04/2023 C2 Y Hanjie Tan April 14 16/04/2023 C2 Y Zesheng Yang April 16 17/04/2023 C2 K Jiangao Ruan April 17 18/04/2023 C2 K Robert Pickard April 18 05/04/2023 SW O Rob Matson April 18 = 2018 HT3 20/04/2023 C2 K Jiangao Ruan, Zesheng Yang, Robert Pickard April 20 20/04/2023 C2 K Zesheng Yang April 20 23/04/2023 C2 K Jiangao Ruan April 23 24/04/2023 C2 K Hanjie Tan April 24 26/04/2023 C2 K Jiangao Ruan April 26 27/04/2023 C2 K Hanjie Tan April 27 28/04/2023 C2 K Hanjie Tan April 28 01/05/2023 C2 K Zesheng Yang May 1 02/05/2023 C2 K Michal Biesiada May 2 04/05/2011 C2 K Trygve Prestgard May 3 08/05/2023 C2 K Hanjie Tan May 8 09/05/2023 C2 K Zesheng Yang May 9 09/05/2023 C2 K Zesheng Yang May 9 12/05/2023 C2 K Hanjie Tan May 12 14/05/2023 C2 K Hanjie Tan May 14 15/05/2023 C2 K Hanjie Tan May 15 18/05/2023 C3 K Worachate Boonplod May 18 18/05/2023 C3 K Worachate Boonplod May 18 19/05/2023 C2 K Hanjie Tan May 19 22/05/2023 C3 K Hanjie Tan May 22 22/05/2023 C2 K Hanjie Tan May 22 22/05/2023 C2 K Hanjie Tan May 22 23/05/2023 C2 K Hanjie Tan May 23 24/05/2023 C2 K Worachate Boonplod May 24 25/05/2023 C3 K Jiangao Ruan May 25 25/05/2023 C3 K Worachate Boonplod May 26 26/05/2023 C2 K Hanjie Tan, Jiangao Ruan, Robert Pickard May 26 May not be a comet 16/11/2005 C3 K Jiangao Ruan May 27 28/11/2005 C3 K Jiangao Ruan May 27 27/05/2023 C2 K Hanjie Tan May 27 28/05/2023 C2 K Worachate Boonplod May 28 29/05/2023 C2 K Worachate Boonplod May 29 31/05/2023 C2 Y Worachate Boonplod May 31The column headed Des is the half month or other designation of the comet. The column headed C gives the SOHO instrument (C2 or C3 for the LASCO coronagraphs, SW for SWAN, T1 or T2 for STEREO) that the comet was discovered in. The column headed G indicates if it is a provisional member of the Kreutz group (K), Meyer group (Y), Marsden group (D), Kracht (R) or other comet (O). P in the SOHO number column indicates the discovery is pending, C indicates that it is confirmed, but not yet numbered, U indicates that is was not confirmed, X that it was confirmed, but there were insufficient observations.
Note that my observer count also includes X/ comets which are not counted as confirmed comets by the SOHO team. Where two or more people report discoveries nearly simultaneously, up to the first three observers are credited here. Where discoverers are clearly not following the SOHO or BAA Comet Section guidelines, they are not credited here at all. If initial reports don't include sufficient positions others may also be credited.
Official milestones:
It is possible that there are further comets to be found in the archival data, most likely non-group comets, but there may still be some Kreutz comets. AI scanning during 2022 is however likely to have mopped most of them up.