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Comet 21P/GIACOBINI-ZINNER - 1 aug. 2018

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           01/08/2018 21:58:33  12.13  11.28  10.84  10.57  10.37  10.22  31.4  17.0  B96

21P           01/08/2018 21:58:33*  0.02   0.02   0.02   0.01   0.02   0.01     7   3.3  USN

                                                                     AFRHO         LOG

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

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

21P           01/08/2018 21:58:33    0.59   1.16  47.07  10.42   31    300    10  2.477  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 2018.08.02 09:30:01

NET USNO-A2.0

0021P         C2018 08 01.91336 00 08 14.27 +65 44 38.7          13.5 R      B96

0021P         C2018 08 01.91567 00 08 15.51 +65 44 40.9          13.4 R      B96

0021P         C2018 08 01.91797 00 08 16.74 +65 44 42.9          13.4 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