comet 12P/PONS-BROOKS - 09 jan. 2024

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 2024.01.11 17:52:57

NET Gaia DR2

0012P C2024 01 09.72338 20 02 21.18 +37 51 30.5 12.8 R B96

0012P C2024 01 09.72714 20 02 21.88 +37 51 31.0 12.8 R B96

0012P C2024 01 09.73185 20 02 22.75 +37 51 31.4 12.8 R B96

0012P C2024 01 09.73291 20 02 22.92 +37 51 31.3 13.5 G B96

0012P C2024 01 09.74703 20 02 25.57 +37 51 32.3 13.4 G B96

0012P C2024 01 09.74985 20 02 26.11 +37 51 32.7 13.5 G B96

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Photometric data obtained by use of FOCAS-II software

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

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

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

12P 09/01/2024 17:57:45 12.93 12.06 11.62 11.32 11.11 10.93 34.9 17.4 B96

12P 09/01/2024 17:57:45* 0.01 0.00 0.01 0.01 0.01 0.01 2 4.0 Gai

AFRHO LOG

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

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

12P 09/01/2024 17:57:45 2.16 1.89 12.77 12.61 35 1441 41 3.159 B96

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

telescope: Orion Optics AG16 - astrograph 0.4-m

camera: SBIG STL6303

with clear + Bessel-R (Custom Scientific)

Af(rho) parameter according CARA-approach

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