comet C/2012 S1 (ISON) - 21 april 2013

C/2012 S1 (ISON) - 21 april 2013

Astrometric data for minor planet center

COD B96

CON BRIXIIS Observatory - Eyckensbeekstraat 2, B-9150 Kruibeke, Belgium, http://www.astronomie.be/erik.bryssinck/

OBS E.Bryssinck

MEA E.Bryssinck

TEL 0.4-m f/3.8 astrograph + CCD

ACK MPCReport file updated 2013.07.27 10:52:23

AC2

NET USNO-A2.0

CK12S010 C2013 04 21.84978 06 38 51.05 +29 48 07.9 16.7 N B96

CK12S010 C2013 04 21.85214 06 38 51.17 +29 48 07.5 15.9 N B96

CK12S010 C2013 04 21.85449 06 38 51.33 +29 48 07.2 16.8 N B96

CK12S010 C2013 04 21.86155 06 38 51.18 +29 48 05.9 15.6 N B96

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Photometric data from FOCAS-II

COD I89

CON RAS Observatory, Nerpio, Spain

CATALOG: USNO A2.0 / CMC-14 - BAND: R

10x10 20x20 30x30 40x40 50x50 60x60 SNR SB COD

OBJECT DATE TIME +/- +/- +/- +/- +/- +/- N FWHM CAT

------------ ---------- -------- ----- ----- ----- ----- ----- ----- ---- ---- ---

C/2012 S1 21/04/2013 20:30:28 16.14 15.63 15.29 15.21 15.23 5.4 16.6 B96

C/2012 S1 21/04/2013 20:30:28* 0.10 0.07 0.06 0.14 0.19 4 3.9 USN

AFRHO LOG

COMET UTC DELTA r BOX " MAG RSR CM +/- AFRHO OBS

------------ ------------------- ----- ----- ----- ----- --- ----- ---- ----- ---

C/2012 S1 21/04/2013 20:30:28 4.29 4.01 6.42 16.35 5 823 152 2.915 B96

Af(rho) plot (morphology) of comet C/2012 S1 (ISON)

Af(rho) data available via request to CARA-coordinator