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Comet C/2020 K3  (LEONARD)

Photometric data obtained from FOCAS-II software

COD X02

OBS Telescope.Live Observatory

CATALOG: Gaia DR2 - BAND: G

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

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

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

C/2020 K3     20/07/2020 23:42:07  18.73  18.24  17.66  17.38  17.13  17.05   3.3  18.6  B96

C/2020 K3     20/07/2020 23:42:07*  0.15   0.38   0.37   0.44   0.47   0.62     2   3.6  Gai

C/2020 K3     30/07/2020 22:20:04  18.86  18.00  17.63  17.34  17.04  16.81   6.5  18.4  B96

C/2020 K3     30/07/2020 22:20:04*  0.13   0.16   0.25   0.32   0.22   0.06     2   3.4  Gai

                                                                     AFRHO         LOG

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

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

C/2020 K3     20/07/2020 23:42:07    1.37   1.74  20.19  18.09    3      3     1  0.498  B96

C/2020 K3     30/07/2020 22:20:04    1.48   1.80  18.62  18.14    7      4     1  0.575  B96

FoCAs 3.66

www.astrosurf.com/cometas-obs

es.groups.yahoo.com/group/Cometas_Obs

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

http://cara.uai.it

CBET 4782:  COMET C/2020 K3 (LEONARD)

     Gregory J. Leonard, Department of Planetary Sciences, University of Arizona, reports his discovery of a comet on CCD images taken on May 22 UT with the Catalina Sky Survey's 0.68-m Schmidt reflector ; the comet showed a diffuse coma 6"-8" across and no discernible tail in four 30-s co-added exposures....