comet 21P/GIACIOBINI-ZINNER

Photometric data obtained by use of FOCAS-II software:

COD B96

CON BRIXIIS Observatory - Eyckensbeekstraat 2, B-9150 Kruibeke, Belgium

CATALOG: USNO A2.0 / CMC 14-15 - BAND: R

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

COMET UTC +/- +/- +/- +/- +/- +/- N FWHM CAT

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

21P 23/07/2018 23:27:29 12.79 11.96 11.55 11.28 11.09 10.94 44.7 18.0 B96

21P 23/07/2018 23:27:29* 0.01 0.01 0.01 0.02 0.02 0.03 34 3.1 USN

AFRHO LOG

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

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

21P 23/07/2018 23:27:29 0.66 1.22 42.08 11.25 45 194 4 2.288 B96

Astrometry obtained with Astrometrica

COD B96

CON BRIXIIS Observatory - Eyckensbeekstraat 2, B-9150 Kruibeke, Belgium,

OBS E.Bryssinck

MEA E.Bryssinck

TEL 0.4-m f/3.8 astrograph + CCD

ACK MPCReport file updated 2018.07.24 19:58

NET Gaia DR2

0021P C2018 07 23.95818 23 00 19.40 +62 28 35.5 13.1 R B96

0021P C2018 07 23.96193 23 00 20.81 +62 28 41.8 13.1 R B96

0021P C2018 07 23.96664 23 00 22.48 +62 28 49.5 13.1 R B96

0021P C2018 07 23.97146 23 00 24.31 +62 28 57.7 13.2 R B96

0021P C2018 07 23.97709 23 00 26.30 +62 29 06.9 13.2 R B96

0021P C2018 07 23.98273 23 00 28.38 +62 29 16.3 13.2 R B96

0021P C2018 07 23.98837 23 00 30.44 +62 29 25.8 13.2 R B96

0021P C2018 07 23.99495 23 00 32.88 +62 29 36.7 13.2 R B96

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Afρ parameter according to CARA consortium

Afρ-graph (Afρ vs distance to core) with R-Bessel filter

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