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COMET C/2021 C3 (CATALINA)

Photometric data obtained from FOCAS-II software

COD X02

OBS BRIXIIS Observatory

CATALOG: Gaia DR2 - BAND: G

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

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

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

C/2021 C3     06/03/2021 23:01:29  18.37  18.14  18.11  17.81  17.63          5.7  17.5  B96

C/2021 C3     06/03/2021 23:01:29*  0.15   0.24   0.11   0.09   0.61            3   3.7  Gai

C/2021 C3     16/04/2021 22:01:37  18.79  18.12  18.08  18.02  17.92          4.3  18.3  B96

C/2021 C3     16/04/2021 22:01:37*  0.12   0.21   0.21   0.23   0.33            3   3.2  Gai

                                                                     AFRHO         LOG

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

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

C/2021 C3     06/03/2021 23:01:29    1.34   2.29  20.51  18.12    6      5     1  0.713  B96

C/2021 C3     16/04/2021 22:01:37    1.75   2.38  15.76  18.44    4      7     2  0.847  B96

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

http://cara.uai.it

Comet C/2021 C3 (CATALINA) (astro.vanbuitenen.nl)

Discovery:

An apparently 20the magnitude asteroidal object discovered on 2021 Feb. 7 on CCD images taken with the Catalina Sky Survey's 0.68-m Schmidt reflector, shows cometary features as reported by CCD-astrometrist observers. pre-discovery observations were reported later from Jan. 16

last updated: 2021-03-07