Comet P/2023 B1 (PANSTARRS)

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Observation date	image	Photometry (FOCAS)	Afρ	astrometry	Observatory
20230226	X	X		X	B96 - BRIXIIS
20230517	X	X		X	B96 - BRIXIIS

COMET P/2023 B1 (PANSTARRS)

Photometric data obtained from FOCAS-II software

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

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

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

P/2023 B1 26/02/2023 22:23:02 17.68 17.25 16.98 16.95 10.2 18.3 B96

P/2023 B1 26/02/2023 22:23:02* 0.04 0.01 0.03 0.04 2 3.4 Gai

P/2023 B1 17/05/2023 22:49:14 18.80 18.43 18.18 3.3 17.9 B96

P/2023 B1 17/05/2023 22:49:14* 0.51 0.04 0.06 2 3.5 Gai

AFRHO LOG

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

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

P/2023 B1 26/02/2023 22:23:02 5.19 6.14 5.32 18.01 10 611 60 2.786 B96

P/2023 B1 17/05/2023 22:49:14 5.98 6.14 4.61 19.24 3 261 79 2.416 B96

Af(rho) data according the CARA-approach is available via request to CARA-coordinator

http://cara.uai.it

Comet P/2023 B1 (PANSTARRS) (astro.vanbuitenen.nl)

Discovery: [ CBET 5209 ]

R. Weryk reports the discovery of a comet in four 45-second survey images taken on Jan. 21 UT by Pan-STARRS 2 (F52), noting a very condensed 0".7 coma.

Prediscovery positions were reported from Jan. 2022. Additional reports of cometary features are as follows:

OC Date Reporter Coma Tail PA Exposures

J95 2023-01-21 P. Birtwhistle 13" 156x10s

T14 2023-01-22 R. Weryk 0".4 3x40s

W76 2023-01-22 H. Sato 14" 10x60s

204 2023-01-23 L. Buzzi 15" 10x30s

G40 2023-01-24 B. Lutkenhoner 10" 15x50s

U69 2023-01-24 F. D. Romanov 15" 3x180s

V39 2023-01-25 T. Lister 11"

MPEC 2023-B118: COMET P/2023 B1 (PANSTARRS)