Copyright © 2009 / 2017 - Alfons Diepvens - all rights reserved.
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 ------------ ---------- -------- ----- ----- ----- ----- ----- ----- ---- ---- --- C/2017 S6 15/10/2017 03:08:56 18.49 17.93 17.94 4.8 22.7 C23 C/2017 S6 15/10/2017 03:08:56* 0.12 0.15 0.09 3 4.7 USN C/2017 S6 13/11/2017 22:23:35 16.66 15.96 15.60 15.35 15.16 14.99 5.0 20.5 C23 C/2017 S6 13/11/2017 22:23:35* 0.04 0.08 0.15 0.17 0.21 0.20 4 5.5 USN C/2017 S6 17/11/2017 21:12:11 16.68 15.77 15.49 15.25 15.04 14.87 6.0 21.3 C23 C/2017 S6 17/11/2017 21:12:11* 0.11 0.37 0.31 0.25 0.21 0.18 3 5.4 USN
APER AfRho Log COMET UTC DELTA r " Mag RSR cm +/- AfRho Obs ------------ ------------------- ----- ----- ----- ----- --- ----- ---- ----- --- C/2017 S6 15/10/2017 03:08:56 1.94 2.36 14.22 18.25 5 10 2 1.003 C23 C/2017 S6 13/11/2017 22:23:35 1.29 2.09 21.35 15.93 5 30 6 1.473 C23 C/2017 S6 17/11/2017 21:12:11 1.25 2.06 22.07 15.82 6 30 5 1.477 C23