BRIXIIS Astronomical Observatory

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Comet 21P/GIACOBINI-ZINNER - 21 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           21/07/2018 22:20:21  12.98  12.19  11.79  11.53  11.35  11.20  44.7  17.7  B96

21P           21/07/2018 22:20:21*  0.01   0.04   0.04   0.04   0.05   0.04     8   3.3  USN


                                                                     AFRHO         LOG

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

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

21P           21/07/2018 22:20:21    0.67   1.23  41.06  11.53   45    162     4  2.210  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 2018.07.22 16:28

NET Gaia DR2

0021P         C2018 07 21.91263 22 48 15.74 +61 31 20.8          13.3 R      B96

0021P         C2018 07 21.91733 22 48 17.28 +61 31 29.0          13.3 R      B96

0021P         C2018 07 21.92214 22 48 18.85 +61 31 37.3          13.3 R      B96

0021P         C2018 07 21.92778 22 48 20.74 +61 31 47.1          13.3 R      B96

0021P         C2018 07 21.93341 22 48 22.65 +61 31 57.1          13.3 R      B96

0021P         C2018 07 21.93905 22 48 24.58 +61 32 07.4          13.3 R      B96

0021P         C2018 07 21.94470 22 48 26.41 +61 32 17.2          13.3 R      B96

0021P         C2018 07 21.94940 22 48 28.01 +61 32 25.5          13.3 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