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 16/07/2018 23:06:35 12.58 11.81 11.43 11.20 11.03 10.90 41.3 17.5 B96

21P 16/07/2018 23:06:35* 0.01 0.01 0.01 0.01 0.01 0.01 10 3.6 USN

AFRHO LOG

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

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

C/2018 C2 16/07/2018 22:20:44 1.49 2.03 18.55 15.84 12 41 3 1.608 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 2018.07.17 10:07:25

NET Gaia DR2

0021P C2018 07 16.95867 22 23 12.57 +59 01 44.9 12.1 R B96

0021P C2018 07 16.96150 22 23 13.33 +59 01 50.2 12.1 R B96

0021P C2018 07 16.96527 22 23 14.36 +59 01 57.5 12.2 R B96

0021P C2018 07 16.96997 22 23 15.64 +59 02 06.7 12.1 R B96

0021P C2018 07 16.97466 22 23 16.91 +59 02 15.9 12.2 R B96

0021P C2018 07 16.98120 22 23 18.76 +59 02 28.4 12.3 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