comet 21P/GIACIOBINI-ZINNER

Photometric data obtained by use of FOCAS-II software:

COD B96

CON E. Bryssinck, BRIXIIS Observatory-Eyckensbeekstr. 2, 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 01/09/2018 22:54:15 10.94 9.98 9.49 9.17 8.94 8.77 27.1 16.4 B96

21P 01/09/2018 22:54:15* 0.04 0.03 0.03 0.03 0.04 0.04 45 3.7 CMC

AFRHO LOG

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

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

21P 01/09/2018 22:54:15 0.40 1.02 68.23 8.55 27 622 23 2.793 B96

Astrometry obtained with Astrometrica

COD B96

CON E. Bryssinck, BRIXIIS Observatory-Eyckensbeekstr. 2, 9150 Kruibeke, Belgium,

OBS E.Bryssinck

MEA E.Bryssinck

TEL 0.4-m f/3.8 astrograph + CCD

ACK MPCReport file updated 2018.09.09 12:08:29

NET CMC-15

0021P C2018 09 01.93829 05 06 52.11 +46 52 44.0 11.5 R B96

0021P C2018 09 01.94126 05 06 53.18 +46 52 28.7 11.5 R B96

0021P C2018 09 01.94541 05 06 54.72 +46 52 06.3 11.5 R B96

0021P C2018 09 01.95030 05 06 56.58 +46 51 39.7 11.5 R B96

0021P C2018 09 01.95873 05 06 59.62 +46 50 54.3 11.5 R B96

0021P C2018 09 01.96630 05 07 02.39 +46 50 13.8 11.5 R B96

0021P C2018 09 01.97677 05 07 06.17 +46 49 18.3 11.8 R B96

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Afρ parameter according to CARA consortium

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

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