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Comet 21P/GIACOBINI-ZINNER - 2 sept. 2018

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           02/09/2018 22:37:41  10.83   9.92   9.45   9.14   8.91   8.74  31.3  16.0  B96

21P           02/09/2018 22:37:41*  0.01   0.03   0.03   0.03   0.03   0.03     5   3.8  CMC

                                                                     AFRHO         LOG

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

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

21P           02/09/2018 22:37:41    0.40   1.02  68.67   8.53   31    623    20  2.795  B96

Astrometry obtained with Astrometrica

COD B96

CON E. Bryssinck, BRIXIIS Observatory, Kruibeke, Belgium

OBS E.Bryssinck

MEA E.Bryssinck

TEL 0.4-m f/3.8 reflector + CCD

ACK MPCReport file updated 2018.09.11 14:08:46

NET CMC-15

0021P         C2018 09 02.93763 05 12 48.95 +45 21 07.4          11.4 R      B96

0021P         C2018 09 02.94000 05 12 49.72 +45 20 54.3          11.4 R      B96

0021P         C2018 09 02.94296 05 12 50.75 +45 20 38.1          11.4 R      B96

0021P         C2018 09 02.94593 05 12 51.81 +45 20 21.9          11.4 R      B96

0021P         C2018 09 02.94771 05 12 52.42 +45 20 12.0          11.4 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