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Comet 21P/GIACOBINI-ZINNER - 25 june 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           25/06/2018 23:45:16  13.93  13.22  12.89  12.67  12.51  12.40  32.0  18.0  B96

21P           25/06/2018 23:45:16*  0.05   0.07   0.05   0.05   0.04   0.04    22   3.4  CMC

                                                                     AFRHO         LOG

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

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

21P           25/06/2018 23:45:16    0.90   1.45  30.81  12.91   32    111     3  2.046  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 2018.06.26 21:30:17

NET CMC-15

0021P         C2018 06 21.98490 21 07 42.03 +44 57 02.0          13.8 R      B96

0021P         C2018 06 21.98653 21 07 42.27 +44 57 05.5          14.3 R      B96

0021P         C2018 06 21.98816 21 07 42.38 +44 57 08.8          14.6 R      B96

0021P         C2018 06 21.98979 21 07 42.63 +44 57 12.1          14.6 R      B96

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