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Astrometry computed with Astrometricaand FoCAs II COD C23 CATALOG: USNO A2.0 / CMC-15 - BAND: R 10x10 20x20 30x30 40x40 50x50 60x60 SNR SB COD OBJECT DATE TIME +/- +/- +/- +/- +/- +/- N FWHM CAT ------------ ---------- -------- ----- ----- ----- ----- ----- ----- ---- ---- --- 139P 13/11/2017 23:22:57 18.82 18.43 18.52 4.5 21.8 C23 139P 13/11/2017 23:22:57* 0.17 0.13 0.11 2 4.5 CMC 139P 17/02/2018 19:36:42 19.38 19.05 19.04 1.8 21.7 C23 139P 17/02/2018 19:36:42* 0.14 0.41 0.53 2 5.6 CMC
APER AfRho Log COMET UTC DELTA r " Mag RSR cm +/- AfRho Obs ------------ ------------------- ----- ----- ----- ----- --- ----- ---- ----- --- 139P 13/11/2017 23:22:57 2.44 3.42 11.30 18.73 5 21 5 1.331 C23 139P 17/02/2018 19:36:42 3.55 3.43 7.78 19.43 2 24 13 1.379 C23 FoCAs 3.36 www.astrosurf.com/cometas-obs es.groups.yahoo.com/group/Cometas_Obs