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Astrometry computed with Astrometricaand FoCAs II COD C23 CATALOG: Gaia DR2 - BAND: G 10x10 20x20 30x30 40x40 50x50 60x60 SNR SB COD OBJECT DATE TIME +/- +/- +/- +/- +/- +/- N FWHM CAT ------------ ---------- -------- ----- ----- ----- ----- ----- ----- ---- ---- --- C/2021 S4 21/11/2023 22:03:08 17.60 17.07 16.89 16.78 16.78 16.75 8.2 22.1 C23 C/2021 S4 21/11/2023 22:03:08* 0.06 0.05 0.09 0.12 0.16 0.25 3 3.5 Gai C/2021 S4 17/12/2023 22:07:29 17.37 16.85 16.78 16.84 6.3 19.0 C23 C/2021 S4 17/12/2023 22:07:29* 0.05 0.08 0.16 0.20 8 4.0 Gai C/2021 S4 08/01/2024 19:46:05 17.58 17.08 16.98 16.96 6.3 18.8 C23 C/2021 S4 08/01/2024 19:46:05* 0.08 0.09 0.13 0.20 8 3.2 Gai C/2021 S4 26/01/2024 21:32:43 17.78 17.26 17.23 17.29 9.2 21.7 C23 C/2021 S4 26/01/2024 21:32:43* 0.09 0.11 0.11 0.20 6 3.5 Gai C/2021 S4 04/03/2024 21:12:39 17.59 17.23 17.21 17.16 17.17 17.25 8.0 21.7 C23 C/2021 S4 04/03/2024 21:12:39* 0.06 0.09 0.09 0.13 0.18 0.24 3 3.9 Gai C/2021 S4 24/03/2024 20:36:53 17.73 17.36 17.40 6.6 21.2 C23 C/2021 S4 24/03/2024 20:36:53* 0.11 0.19 0.13 3 4.2 Gai
AFRHO LOG COMET UTC DELTA r BOX " MAG RSR CM +/- AFRHO OBS ------------ ------------------- ----- ----- ----- ----- --- ----- ---- ----- --- C/2021 S4 21/11/2023 22:03:08 5.79 6.69 4.76 17.85 8 1050 128 3.021 C23 C/2021 S4 17/12/2023 22:07:29 5.77 6.69 4.78 17.58 6 1326 210 3.123 C23 C/2021 S4 08/01/2024 19:46:05 5.90 6.69 4.68 17.86 6 1068 170 3.029 C23 C/2021 S4 26/01/2024 21:32:43 6.09 6.69 4.53 17.98 9 1023 111 3.010 C23 C/2021 S4 04/03/2024 21:12:39 6.64 6.70 4.15 17.66 8 1646 206 3.216 C23 C/2021 S4 24/03/2024 20:36:53 6.94 6.71 3.97 17.99 7 1327 201 3.123 C23 FoCAs 3.70 www.astrosurf.com/cometas-obs es.groups.yahoo.com/group/Cometas_Obs