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Comet C/2020 A2 (IWAMOTO)

Photometric data obtained from FOCAS-II software

COD B96

OBS BRIXIIS Observatory

CATALOG: Gaia DR2 - BAND: G

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

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

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

C/2020 A2     17/03/2020 21:14:08  17.56  16.62  16.15  15.86  15.66  15.57   4.4  17.8  B96

C/2020 A2     17/03/2020 21:14:08*  0.01   0.02   0.03   0.05   0.04   0.07     3   3.7  Gai

C/2020 A2     21/03/2020 21:01:35  17.71  16.84  16.32  15.99  15.77  15.61   5.1  18.1  B96

C/2020 A2     21/03/2020 21:01:35*  0.13   0.17   0.13   0.08   0.07   0.09     6   3.7  Gai

C/2020 A2     22/03/2020 20:45:19  17.93  16.99  16.50  16.14  15.87  15.64   0.8  18.3  B96

C/2020 A2     22/03/2020 20:45:19*  0.05   0.05   0.10   0.07   0.09   0.09     2   3.6  Gai

C/2020 A2     23/03/2020 20:58:32  17.86  16.94  16.39  15.99  15.67  15.50   6.3  18.1  B96

C/2020 A2     23/03/2020 20:58:32*  0.05   0.01   0.03   0.04   0.03   0.00     2   3.6  Gai

C/2020 A2     24/03/2020 20:48:37  17.93  17.06  16.55  16.26  16.01  15.75   3.7  18.1  B96

C/2020 A2     24/03/2020 20:48:37*  0.08   0.21   0.16   0.09   0.07   0.07     3   3.7  Gai

C/2020 A2     25/03/2020 21:35:25  17.95  17.11  16.70  16.44  16.29  16.25   3.8  17.9  B96

C/2020 A2     25/03/2020 21:35:25*  0.10   0.13   0.25   0.35   0.44   0.47     4   3.4  Gai

C/2020 A2     26/03/2020 22:03:18  17.99  17.22  16.85  16.57  16.39  16.15   0.2  17.7  B96

C/2020 A2     26/03/2020 22:03:18*  0.00   0.00   0.00   0.00   0.00   0.00     1   3.5  Gai

                                                                     AFRHO         LOG

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

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

C/2020 A2     17/03/2020 21:14:08    1.27   1.51  21.76  16.60    4      8     2  0.910  B96

C/2020 A2     21/03/2020 21:01:35    1.37   1.56  20.17  16.84    5      8     2  0.904  B96

C/2020 A2     22/03/2020 20:45:19    1.39   1.57  19.80  17.04    1      7     9  0.849  B96

C/2020 A2     23/03/2020 20:58:32    1.42   1.58  19.43  16.97    6      8     1  0.898  B96

C/2020 A2     24/03/2020 20:48:37    1.45   1.60  19.08  17.13    4      7     2  0.855  B96

C/2020 A2     25/03/2020 21:35:25    1.47   1.61  18.71  17.25    4      7     2  0.834  B96

C/2020 A2     26/03/2020 22:03:18    1.50   1.62  18.37  17.35    0      7    33  0.814  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

Comet C/2020 A2 (IWAMOTO) - Orbit - The Sky Live

comet C/2020 A2 was discovered by Masayuki Iwamoto, Awa, Tokushima-ken, Japan, on two CCD frames taken on Jan. 8.86 UT with a 10-cm Pentax 400-mm-f.l. f/4.0 lens and a Canon EOS 6D camera.

On Jan. 13, G. Borisov (L51) reported this object as having a diffuse 40" coma. Additional reports of cometary features

CBET no. 4714, issued on 2020, Jan. 13th. announced the discovery of a new comet. It's the 4th. comet discovery of Masuyuki Iwamoto and 3 within 18 months.