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Comet C/2023 C2 (ATLAS) - 28 febr. 2023

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

http://cara.uai.it

Astrometric data for minor planet center

COD X02

CON E. Bryssinck, Telescope Live Observatory, Rio Hurtado, Chile

OBS E. Bryssinck, M. Rocchetto, E. Guido

OBS G. Milani, A. Valvasori

MEA E. Bryssinck

TEL 0.61-m f/6.7 reflector + CCD

ACK NEOCP X02 file updated 2023.02.28 11:42:36

NET Gaia DR2

     A10SuBN KC2023 02 28.11820 10 48 22.88 -49 37 04.6          18.9 G      X02

     A10SuBN KC2023 02 28.13482 10 48 22.15 -49 37 06.5          19.0 G      X02

----- end -----

COD X02

OBS Telescope.Live

CATALOG: Gaia DR2 - BAND: G

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

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

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

                                                                     AFRHO         LOG

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

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

Photometry obtained with FOCAS-II software:

     J. Camarasa reports cometary activity of an asteroidal NEOCP candidate (initialy reported by ATLAS Chile - W68 on Feb. 1 UT) in follow-up images taken on Feb. 13 from Moonbase South Observatory (L87), noting a diffuse

5".6 coma.  Additional reports of cometary features are as follows:

OC   Date        Reporter           Coma    Tail    PA          Exposures

X02  2023-02-28  E. Bryssinck       9"                           13x180s

X02  2023-03-14  E. Bryssinck       9"                           20x60s

Q62  2023-03-19  H. Sato            6"       20"     20          6x120s