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Comet C/2023 C2 (ATLAS) - 14 march 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, Kruibeke, Belgium

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

COM G. Milani, A. Valvasori

MEA E. Bryssinck

TEL 0.61-m f/6.7 reflector + CCD

ACK NEOCP X02 file updated 2023.03.14 11:48:06

NET Gaia DR2

     A10SuBN KC2023 03 14.23489 10 37 39.55 -49 41 41.9          19.8 G      X02

     A10SuBN KC2023 03 14.24511 10 37 39.06 -49 41 41.9          19.6 G      X02

     A10SuBN KC2023 03 14.25294 10 37 38.72 -49 41 41.2          19.2 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