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 14/07/2018 23:32:28 12.90 12.10 11.70 11.45 11.26 11.12 36.8 18.4 B96

21P 14/07/2018 23:32:28* 0.02 0.02 0.03 0.03 0.04 0.04 31 3.7 USN

AFRHO LOG

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

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

21P 14/07/2018 23:32:28 0.73 1.29 37.86 11.52 37 209 6 2.320 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 2018.07.15 10:44:56

NET USNO-A2.0

0021P C2018 07 14.96433 22 14 31.87 +57 58 15.8 13.3 R B96

0021P C2018 07 14.96809 22 14 32.82 +57 58 23.3 13.3 R B96

0021P C2018 07 14.97373 22 14 34.21 +57 58 34.3 13.3 R B96

0021P C2018 07 14.97936 22 14 35.57 +57 58 45.4 13.3 R B96

0021P C2018 07 14.98500 22 14 37.02 +57 58 56.8 13.3 R B96

0021P C2018 07 14.99064 22 14 38.35 +57 59 07.6 13.2 R B96

0021P C2018 07 15.00113 22 14 40.88 +57 59 27.8 13.3 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