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Comet 22P/KOPFF - 12 dec. 2022

Astrometric data for minor planet center

COD B96

CON E. Bryssinck, BRIXIIS Observatory, 9150 Kruibeke , Belgium

OBS E. Bryssinck

MEA E. Bryssinck

TEL 0.4-m f/3.8 reflector + CCD

ACK MPCReport file updated 2022.12.13 17:01:06

NET Gaia DR2

0022P        KC2022 12 12.74422 00 49 46.35 -00 54 47.5          18.8 G      B96

0022P        KC2022 12 12.75164 00 49 46.42 -00 54 45.1          19.8 G      B96

Photometric data obtained by use of FOCAS-II software:

                                   10x10  20x20  30x30  40x40  50x50  60x60   SNR   SB   COD

COMET         UTC                    +/-    +/-    +/-    +/-    +/-    +/-     N  FWHM  CAT

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

22P           12/12/2022 17:56:27  18.43  17.47  16.91  16.52  16.20  15.90   5.3  17.4  B96

22P           12/12/2022 17:56:27*  0.00   0.00   0.00   0.00   0.00   0.00     1   3.5  Gai

                                                                     AFRHO         LOG

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

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

22P           12/12/2022 17:56:27    2.34   2.84  11.78  18.21    5     22     4  1.344  B96

Image taken from BRIXIIS Observatory, Kruibeke, Belgium with a 0.4-m f/3.8 telescope with Clear filter. Data and image obtained from 9 stacked CCD images of 120 sec. Exposure time each.

Af(rho) parameter according CARA-approach

Af(rho) vs core distance - data obtained from Bessel-R CCD-image