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COMET C/2022 W3 (Leonard)

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

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                                                                     AFRHO         LOG

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

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

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

http://cara.uai.it

Comet C/2022 W3 (Leonard) (astro.vanbuitenen.nl)

Discovery:  [ CBET 5204: COMET C/2022 W3 (Leonard) ]

    G. J. Leonard reports the discovery of a comet in four 30-second survey images taken on 2022 Nov. 26 UT by M. Lemmon Survey (G96), noting a very condensed 6" coma and a broad 10" tail at position angle 240-260 deg.

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

OC   Date        Reporter           Coma    Tail    PA          Exposures

G00  2022-12-13  M. Jaeger          8"       45"    245          40x60s

G00  2022-12-18  M. Jaeger         10"       21"    246          18x90s

703  2022-12-20  K. Wierzchos       6"       12"    250           4x30s

G40  2022-12-22  B. Lutkenhoner     7"       30"    225-250      31x50s

U69  2022-12-24  H. Sato           12"                           12x60s

V21  2022-12-26  D. Durig           7"        5"    210-270     180x30s

B96  2022-12-26  E. Bryssinck      12"       18"    250          40x60s

T12  2022-12-31  Y. Ramanjooloo     2".1      5".5  225-261       2x10s, 60s

I52  2023-01-09  R. A. Kowalski    12"       60"    230-240

MPEC 2023-A29