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Photometry

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Afρ

astrometry

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20210226

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B96 - BRIXIIS

20210325

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20210412

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20210416

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20210420

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20210425

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20210429

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20210430

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20210501

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20210502

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20210527

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20210529

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20210606

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20210607

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20210612

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20210613

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20210702

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20210720

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Comet C/2020 T2 (PALOMAR)

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 T2     26/02/2021 22:14:14  15.49  14.81  14.50  14.27  14.16  14.05  14.8  15.9  B96

C/2020 T2     26/02/2021 22:14:14*  0.01   0.02   0.03   0.05   0.04   0.03     3   4.0  Gai

C/2020 T2     25/03/2021 22:16:35  14.75  14.04  13.71  13.48  13.33  13.21  31.1  17.5  B96

C/2020 T2     25/03/2021 22:16:35*  0.02   0.01   0.04   0.04   0.05   0.06     2   3.8  Gai

C/2020 T2     12/04/2021 22:13:51  14.36  13.62  13.27  13.05  12.87  12.74  34.0  18.3  B96

C/2020 T2     12/04/2021 22:13:51*  0.01   0.00   0.01   0.00   0.00   0.01     3   3.6  Gai

C/2020 T2     16/04/2021 21:13:01  14.25  13.52  13.19  12.97  12.81  12.70  19.5  17.5  B96

C/2020 T2     16/04/2021 21:13:01*  0.02   0.03   0.04   0.05   0.05   0.05     3   4.2  Gai

C/2020 T2     20/04/2021 20:58:08  14.16  13.49  13.13  12.88  12.72  12.61  37.3  16.3  B96

C/2020 T2     20/04/2021 20:58:08*  0.01   0.02   0.02   0.03   0.01   0.01     2   3.9  Gai

C/2020 T2     25/04/2021 21:12:17  14.10  13.36  13.00  12.75  12.58  12.45  42.8  17.1  B96

C/2020 T2     25/04/2021 21:12:17*  0.01   0.02   0.02   0.02   0.02   0.02     4   4.0  Gai

C/2020 T2     29/04/2021 20:53:52  13.98  13.24  12.87  12.65  12.47  12.33  51.6  18.1  B96

C/2020 T2     29/04/2021 20:53:52*  0.00   0.00   0.00   0.00   0.00   0.00     3   3.9  Gai

C/2020 T2     30/04/2021 22:12:20  14.03  13.26  12.89  12.67  12.50  12.36  43.1  18.2  B96

C/2020 T2     30/04/2021 22:12:20*  0.01   0.00   0.00   0.00   0.00   0.00     3   3.8  Gai

C/2020 T2     01/05/2021 22:38:31  13.98  13.23  12.87  12.64  12.46  12.32  40.9  18.1  B96

C/2020 T2     01/05/2021 22:38:31*  0.01   0.00   0.00   0.01   0.00   0.01     2   3.9  Gai

C/2020 T2     02/05/2021 21:26:56  13.99  13.24  12.87  12.64  12.47  12.32  50.6  18.4  B96

C/2020 T2     02/05/2021 21:26:56*  0.01   0.00   0.01   0.01   0.00   0.01     3   3.9  Gai

C/2020 T2     27/05/2021 22:07:20  13.69  12.92  12.52  12.26  12.08  11.93  64.4  18.2  B96

C/2020 T2     27/05/2021 22:07:20*  0.00   0.00   0.00   0.00   0.00   0.00     3   3.1  Gai

C/2020 T2     29/05/2021 22:21:00  13.70  12.92  12.51  12.26  12.06  11.91  67.0  18.4  B96

C/2020 T2     29/05/2021 22:21:00*  0.00   0.00   0.00   0.00   0.01   0.00     2   3.1  Gai

C/2020 T2     07/06/2021 22:39:52  13.73  12.91  12.52  12.26  12.07  11.91  41.5  17.8  B96

C/2020 T2     07/06/2021 22:39:52*  0.01   0.01   0.02   0.02   0.02   0.02     3   2.9  Gai

C/2020 T2     12/06/2021 23:06:46  13.69  12.88  12.48  12.23  12.03  11.87  42.8  17.9  B96

C/2020 T2     12/06/2021 23:06:46*  0.01   0.02   0.03   0.02   0.02   0.02     3   2.9  Gai

C/2020 T2     13/06/2021 22:38:41  13.64  12.83  12.43  12.18  11.99  11.84  42.9  18.1  B96

C/2020 T2     13/06/2021 22:38:41*  0.00   0.01   0.00   0.00   0.00   0.00     3   3.1  Gai

C/2020 T2     02/07/2021 22:16:46  13.57  12.78  12.40  12.13  11.92  11.77  33.4  17.1  B96

C/2020 T2     02/07/2021 22:16:46*  0.01   0.01   0.02   0.01   0.01   0.01     5   3.5  Gai

C/2020 T2     20/07/2021 21:10:34  13.68  12.91  12.49  12.21  12.03  11.89  23.9  15.8  B96

C/2020 T2     20/07/2021 21:10:34*  0.01   0.01   0.02   0.02   0.02   0.03     3   3.6  Gai



                                                                     AFRHO         LOG

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

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

C/2020 T2     26/02/2021 22:14:14    1.86   2.59  14.82  15.11   15    201    14  2.303  B96

C/2020 T2     25/03/2021 22:16:35    1.59   2.41  17.32  14.22   31    290     9  2.462  B96

C/2020 T2     12/04/2021 22:13:51    1.48   2.31  18.62  13.75   34    357    11  2.553  B96

C/2020 T2     16/04/2021 21:13:01    1.46   2.29  18.84  13.64   20    378    19  2.577  B96

C/2020 T2     20/04/2021 20:58:08    1.45   2.27  19.03  13.56   37    391    10  2.592  B96

C/2020 T2     25/04/2021 21:12:17    1.43   2.25  19.22  13.45   43    416    10  2.620  B96

C/2020 T2     29/04/2021 20:53:52    1.43   2.23  19.34  13.32   52    454     9  2.657  B96

C/2020 T2     30/04/2021 22:12:20    1.42   2.22  19.37  13.35   43    438    10  2.641  B96

C/2020 T2     01/05/2021 22:38:31    1.42   2.22  19.39  13.32   41    451    11  2.654  B96

C/2020 T2     02/05/2021 21:26:56    1.42   2.21  19.41  13.32   51    446     9  2.649  B96

C/2020 T2     27/05/2021 22:07:20    1.43   2.12  19.25  13.00   64    560     9  2.748  B96

C/2020 T2     29/05/2021 22:21:00    1.44   2.12  19.18  13.00   67    559     8  2.747  B96

C/2020 T2     07/06/2021 22:39:52    1.47   2.09  18.80  13.04   42    553    13  2.743  B96

C/2020 T2     12/06/2021 23:06:46    1.49   2.08  18.53  13.01   43    575    13  2.759  B96

C/2020 T2     13/06/2021 22:38:41    1.49   2.08  18.48  12.97   43    602    14  2.780  B96

C/2020 T2     02/07/2021 22:16:46    1.60   2.06  17.19  12.98   33    670    20  2.826  B96

C/2020 T2     20/07/2021 21:10:34    1.75   2.06  15.76  13.18   24    666    28  2.823  B96

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


http://cara.uai.it

Comet C/2020 T2 (PALOMAR) - (astro.vanbuitenene.nl)


CBET 4870:  COMET C/2020 T2


Dmitry A. Duev, Astronomy Department, California Institute of Technology, reports his discovery of a 19-th magnitude comet in five 30-s r-band exposures taken with the 1.2-m Schmidt telescope at Palomar (+ ZTF instrument) as part of the Zwicky Transient Facility's Twilight Survey on 2020 oct. 7.  After the comet was posted on the Minor Planet Center's PCCP webpage, other CCD astrometrists have also commented on the cometary appearance.