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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/2017 B3 21/07/2020 01:05:27 16.75 16.01 15.70 15.49 15.34 15.27 6.0 18.2 C23 C/2017 B3 21/07/2020 01:05:27* 0.06 0.07 0.10 0.10 0.11 0.15 7 4.4 Gai C/2017 B3 29/08/2020 00:44:06 16.76 16.03 15.82 15.73 15.69 15.68 6.1 18.8 C23 C/2017 B3 29/08/2020 00:44:06* 0.05 0.05 0.06 0.12 0.18 0.20 8 3.9 Gai C/2017 B3 06/09/2020 22:17:16 16.63 15.90 15.59 15.42 15.30 15.28 6.2 17.7 C23 C/2017 B3 06/09/2020 22:17:16* 0.05 0.08 0.12 0.11 0.09 0.14 6 4.4 Gai C/2017 B3 13/09/2020 23:15:04 16.59 15.85 15.53 15.31 15.18 15.06 6.3 18.3 C23 C/2017 B3 13/09/2020 23:15:04* 0.07 0.04 0.04 0.07 0.10 0.14 8 4.8 Gai C/2017 B3 18/09/2020 23:44:58 16.49 15.77 15.46 15.25 15.10 14.98 7.1 18.2 C23 C/2017 B3 18/09/2020 23:44:58* 0.08 0.07 0.06 0.07 0.07 0.07 9 4.7 Gai C/2017 B3 11/08/2021 23:59:01 18.83 18.30 18.15 4.2 22.0 C23 C/2017 B3 11/08/2021 23:59:01* 0.25 0.21 0.15 3 3.7 Gai C/2017 B3 13/08/2021 23:59:05 19.25 18.39 18.03 17.75 17.50 17.25 4.8 22.3 C23 C/2017 B3 13/08/2021 23:59:05* 0.21 0.17 0.10 0.00 0.02 0.07 2 4.0 Gai C/2017 B3 07/09/2021 23:56:56 18.83 18.19 17.96 17.83 17.81 17.68 5.0 22.4 C23 C/2017 B3 07/09/2021 23:56:56* 0.06 0.06 0.06 0.08 0.12 0.15 3 5.0 Gai C/2017 B3 31/10/2021 21:24:49 18.97 18.08 17.82 17.68 17.56 17.44 4.4 22.3 C23 C/2017 B3 31/10/2021 21:24:49* 0.09 0.04 0.07 0.12 0.16 0.20 3 4.3 Gai C/2017 B3 10/11/2021 18:45:42 18.52 17.82 17.44 17.11 16.85 16.60 5.6 22.1 C23 C/2017 B3 10/11/2021 18:45:42* 0.19 0.23 0.31 0.37 0.39 0.40 4 4.3 Gai
APER AfRho Log COMET UTC DELTA r " Mag RSR cm +/- AfRho Obs ------------ ------------------- ----- ----- ----- ----- --- ----- ---- ----- --- C/2017 B3 21/07/2020 01:05:27 4.94 5.93 5.58 17.15 6 1134 189 3.055 C23 C/2017 B3 29/08/2020 00:44:06 5.32 6.16 5.18 16.99 6 1643 269 3.216 C23 C/2017 B3 06/09/2020 22:17:16 5.47 6.21 5.04 17.05 6 1680 271 3.225 C23 C/2017 B3 13/09/2020 23:15:04 5.60 6.25 4.92 17.12 6 1677 266 3.224 C23 C/2017 B3 18/09/2020 23:44:58 5.70 6.28 4.84 17.03 7 1899 267 3.278 C23 C/2017 B3 11/08/2021 23:59:01 7.32 8.27 3.77 19.43 4 598 142 2.777 C23 C/2017 B3 13/08/2021 23:59:05 7.33 8.29 3.76 20.28 5 275 57 2.440 C23 C/2017 B3 07/09/2021 23:56:56 7.62 8.44 3.62 19.35 5 719 144 2.857 C23 C/2017 B3 31/10/2021 21:24:49 8.69 8.77 3.17 19.77 4 690 157 2.839 C23 C/2017 B3 10/11/2021 18:45:42 8.91 8.83 3.10 19.79 6 723 129 2.859 C23