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Astrometric data for minor planet center

COD B96

CON E. Bryssinck, BRIXIIS Observatory, 9150 Kruibeke , Belgium [erik.bryssinck@telenet.be]

OBS E. Bryssinck

MEA E. Bryssinck

TEL 0.4-m f/3.8 reflector + CCD

ACK MPCReport file updated 2023.11.18 09:29:00

AC2 erik.bryssinck@telenet.be

NET Gaia DR2

0012P         C2023 11 17.80388 18 04 02.11 +39 47 30.2          12.7 R      B96

0012P         C2023 11 17.80715 18 04 02.37 +39 47 29.3          12.6 R      B96

0012P         C2023 11 17.81206 18 04 02.82 +39 47 27.3          12.7 R      B96

----- end -----

Comet 12P/PONS-BROOKS - 17 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           17/11/2023 19:45:23  12.17  10.88  10.22   9.81   9.54   9.36  10.2  16.5  B96

12P           17/11/2023 19:45:23*  0.00   0.00   0.00   0.00   0.00   0.00     1   3.8  Gai

                                                                     AFRHO         LOG

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

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

12P           17/11/2023 19:45:23    2.73   2.55  10.09  12.05   10   7075   694  3.850  B96

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