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COMET C/2022 U4 (Bok)

Photometric data obtained from FOCAS-II software

CATALOG: Gaia DR2 - BAND: G

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

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

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

C/2022 U4     17/05/2023 23:53:18  18.41  17.95  17.56  17.48  17.23  17.02   4.5  18.3  B96

C/2022 U4     17/05/2023 23:53:18*  0.01   0.12   0.22   0.33   0.30   0.47     2   3.1  Gai

C/2022 U4     04/06/2023 23:55:05  18.11  17.75  17.75                        3.6  17.5  B96

C/2022 U4     04/06/2023 23:55:05*  0.25   0.03   0.06                          2   3.5  Gai

                                                                     AFRHO         LOG

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

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

C/2022 U4     17/05/2023 23:53:18    2.69   3.00  10.26  18.42    5     27     6  1.430  B96

C/2022 U4     04/06/2023 23:55:05    2.78   2.96   9.94  18.08    4     38    11  1.580  B96

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

http://cara.uai.it

Comet C/2022 U4 (Bok) (astro.vanbuitenen.nl)

Discovery:  [CBET 5195:  COMET C/2022 U4 ]

G. J. Leonard reports cometary activity of an asteroidal NEOCP candidate (initially reported by Bok NEO Survey - V00 on Oct. 26 UT) in follow-up images obtained at Steward Observatory - Mt. Lemmon Station (I52), noting a very condensed 6" coma and a straight 4" tail at position angle 300 deg. M. T. Read reports a very condensed 2" coma and a straight 10" tail at position angle 330 deg in follow-up images taken at Steward Observatory, Kitt Peak-Spacewatch

(691) on Nov. 11 UT.