comet 12P/PONS-BROOKS

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 2023.11.10 11:22:50

NET Gaia DR2

0012P C2023 11 07.73640 17 50 05.20 +40 56 08.0 14.4 R B96

0012P C2023 11 07.74132 17 50 05.61 +40 56 05.3 14.4 R B96

0012P C2023 11 07.74634 17 50 05.95 +40 56 03.4 14.9 G B96

0012P C2023 11 07.76273 17 50 07.17 +40 55 55.5 14.9 G B96

0012P C2023 11 07.77754 17 50 08.30 +40 55 48.9 15.0 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

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

12P 07/11/2023 18:28:59 14.17 13.12 12.53 12.13 11.83 11.61 29.9 17.8 B96

12P 07/11/2023 18:28:59* 0.00 0.01 0.00 0.01 0.01 0.00 2 3.9 Gai

AFRHO LOG

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

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

12P 07/11/2023 18:28:59 2.83 2.67 9.76 14.17 30 1171 39 3.069 B96

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

telescope: Orion Optics AG16 - astrograph 0.4-m

camera: SBIG STL6303

with CLEAR and Bessel-R (Custom Scientific)

Af(rho) parameter according CARA-approach

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