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Comet C/2019 O3 (PALOMAR)

Photometric data obtained from FOCAS-II software

COD B96

CON E. Bryssinck, Eyckensbeekstraat 2, 9150 Kruibeke

CATALOG: USNO A2.0 / CMC 14-15 - BAND: R

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

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

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

C/2019 O3     13/09/2020 22:49:34  17.17  16.97  17.07                       12.7  18.2  B96

C/2019 O3     13/09/2020 22:49:34*  0.06   0.01   0.01                          2   3.3  Gai

C/2019 O3     16/09/2020 20:50:53  17.30  17.04                              11.3  18.0  B96

C/2019 O3     16/09/2020 20:50:53*  0.01   0.13                                 2   3.7  Gai

C/2019 O3     20/09/2020 21:14:16  17.29  17.16  16.94  17.04                14.0  18.3  B96

C/2019 O3     20/09/2020 21:14:16*  0.04   0.04   0.07   0.16                   2   3.8  Gai

C/2019 O3     21/09/2020 21:01:12  17.23  17.00  17.10                        8.9  17.9  B96

C/2019 O3     21/09/2020 21:01:12*  0.08   0.12   0.12                          3   3.4  Gai

C/2019 O3     06/11/2020 19:45:15  17.22  16.96                              11.3  17.9  B96

C/2019 O3     06/11/2020 19:45:15*  0.04   0.06                                 2   3.8  Gai

C/2019 O3     13/06/2021 01:38:23  16.78  16.62  16.72                       11.4  18.0  B96

C/2019 O3     13/06/2021 01:38:23*  0.08   0.19   0.19                          3   3.8  Gai

C/2019 O3     19/07/2021 23:00:06  17.05  16.73  16.66                        7.1  17.5  B96

C/2019 O3     19/07/2021 23:00:06*  0.13   0.19   0.09                          3   3.3  Gai

C/2019 O3     20/07/2021 23:15:18  16.50  16.12  16.06  15.99  16.00          6.6  17.6  B96

C/2019 O3     20/07/2021 23:15:18*  0.00   0.00   0.00   0.00   0.00            1   3.6  Gai

C/2019 O3     22/11/2021 19:23:42  17.07  16.58  16.55                        9.4  17.7  B96

C/2019 O3     22/11/2021 19:23:42*  0.06   0.10   0.18                          3   4.0  Gai

C/2019 O3     02/10/2022 20:44:18  16.67  15.66  15.09  14.58  14.38  14.32   5.0  18.2  B96

C/2019 O3     02/10/2022 20:44:18*  0.00   0.01   0.00   0.03   0.00   0.01     2   3.3  Gai

                                                                     AFRHO         LOG

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

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

C/2019 O3     Orbital elements not found

C/2019 O3     20/09/2020 21:14:16    8.59   8.87   3.21  17.54   14   5391   385  3.732  B96

C/2019 O3     21/09/2020 21:01:12    8.60   8.87   3.21  17.36    9   6387   718  3.805  B96

C/2019 O3     13/06/2021 01:38:23    8.56   8.84   3.22  16.83   11  10155   891  4.007  B96

C/2019 O3     19/07/2021 23:00:06    8.51   8.85   3.24  17.45    7   5739   808  3.759  B96

C/2019 O3     20/07/2021 23:15:18    8.51   8.85   3.24  16.79    7  10524  1595  4.022  B96

C/2019 O3     22/11/2021 19:23:42    9.13   8.95   3.02  17.63    9   5704   607  3.756  B96

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

http://cara.uai.it

Comet C/2019 O3 (PALOMAR) was discovered as an apparently asteroidal object in images taken Q.-Z. Ye, with the  1.2-m f/2.4 Oschin Schmidt telescope at Palomar on 2019 July 26 UT, and given the designation A/2019 O3 when it was announced on MPEC 2019-P55, after these publication, CCD astrometrist found cometary nature of this object.  CCD-astrometrists who found cometary features are: R. Haver, Rome, Italy - L. Buzzi, Varese, Italy - D. D. Balam (Dominion Astrophysical Observatory) and D. W. E. Green

 (CBET 4817 )