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Comet 21P/GIACOBINI-ZINNER - 5 july 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           05/07/2018 23:22:05  13.85  13.11  12.75  12.52  12.35  12.21  43.9  18.3  B96

21P           05/07/2018 23:22:05*  0.01   0.01   0.01   0.01   0.01   0.01     4   3.2  USN


                                                                     AFRHO         LOG

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

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

21P           05/07/2018 23:22:05    0.80   1.37  34.26  12.68   44     99     2  1.994  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 2018.07.06 21:06:47

0021P         C2018 07 05.97038 21 42 39.84 +52 58 33.5          14.1 R      B96

0021P         C2018 07 05.97133 21 42 40.01 +52 58 35.5          14.1 R      B96

0021P         C2018 07 05.97227 21 42 40.16 +52 58 37.3          14.1 R      B96

0021P         C2018 07 05.97321 21 42 40.36 +52 58 39.5          14.1 R      B96

0021P         C2018 07 05.97414 21 42 40.53 +52 58 41.5          14.1 R      B96

0021P         C2018 07 05.97509 21 42 40.69 +52 58 43.3          14.1 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