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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 2023.11.25 10:19:00

NET Gaia DR2

0012P         C2023 11 24.78991 18 15 09.26 +39 08 26.5          13.8 R      B96

0012P         C2023 11 24.79318 18 15 09.52 +39 08 25.9          13.8 R      B96

----- end -----

Comet 12P/PONS-BROOKS - 24 nov. 2023

Photometric data obtained by use of FOCAS-II software

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

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

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

12P           24/11/2023 18:59:49  13.62  12.58  11.99  11.54  11.19  10.91  17.6  16.6  B96

12P           24/11/2023 18:59:49*  0.02   0.05   0.06   0.06   0.07   0.07     3   3.8  Gai

                                                                     AFRHO         LOG

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

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

12P           24/11/2023 18:59:49    2.67   2.47  10.34  13.58   18   1540    87  3.187  B96

Comet 12P/PONS-BROOKS can't keep hiding behind the clouds and rain showers. on Nov 24, I was ready in the observatory and in between the clouds a very brief clearing and was able to observe the comet briefly by taking 3 sub-images.

image taken from BRIXIIS observatory, Kruibeke, Belgium - MPC B96.

telescope: Orion Optics AG16 - astrograph 0.4-m

camera: SBIG STL6303

with  Bessel-R (Custom Scientific)

Af(rho) parameter according CARA-approach

Af(rho) vs core distance - data from photometric R-filtered CCD-image