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COMET C/2022 L2 (ATLAS)

Photometric data obtained from FOCAS-II software

CATALOG: Gaia DR2 - BAND: G

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

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

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

C/2022 L2     12/09/2022 20:14:56  18.44                                      6.8  18.0  B96

C/2022 L2     12/09/2022 20:14:56*  0.13                                        2   3.1  Gai

C/2022 L2     02/10/2022 19:25:00  18.29  17.97  18.06                        5.3  18.1  B96

C/2022 L2     02/10/2022 19:25:00*  0.10   0.33   0.33                          2   3.3  Gai

C/2022 L2     02/08/2022 21:55:16  18.40  18.41  18.38                        8.8  18.7  B96

C/2022 L2     02/08/2022 21:55:16*  0.01   0.10   0.02                          2   3.0  Gai

C/2022 L2     18/10/2022 19:01:43  17.88  17.55  17.51                        2.3  17.9  B96

C/2022 L2     18/10/2022 19:01:43*  0.03   0.05   0.08                          2   3.5  Gai

C/2022 L2     13/11/2022 18:36:18  18.05  17.39  17.37                        5.4  17.6  B96

C/2022 L2     13/11/2022 18:36:18*  0.09   0.16   0.22                          3   3.5  Gai

C/2022 L2     25/11/2022 18:17:50  17.68  17.30  17.34  17.13  16.80  16.82   5.7  17.0  B96

C/2022 L2     25/11/2022 18:17:50*  0.01   0.32   0.26   0.64   0.81   0.94     2   3.9  Gai

C/2022 L2     03/04/2023 04:08:02  16.88  16.54                               6.9  17.0  B96

C/2022 L2     03/04/2023 04:08:02*  0.06   0.02                                 2   3.8  Gai

C/2022 L2     18/05/2023 00:28:47  15.40  14.84  14.69  14.64  14.63  14.65   5.2  18.1  B96

C/2022 L2     18/05/2023 00:28:47*  0.00   0.00   0.00   0.00   0.00   0.00     1   3.1  Gai

C/2022 L2     05/06/2023 00:19:12  16.21  15.47  15.17  14.98  14.91  14.90  12.9  17.2  B96

C/2022 L2     05/06/2023 00:19:12*  0.08   0.10   0.05   0.06   0.03   0.01     2   3.4  Gai

                                                                     AFRHO         LOG

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

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

C/2022 L2     02/10/2022 19:25:00    5.73   5.70   4.81  18.42    5    439    83  2.643  B96

C/2022 L2     18/10/2022 19:01:43    5.81   5.58   4.74  18.12    2    572   249  2.757  B96

C/2022 L2     13/11/2022 18:36:18    5.90   5.39   4.67  18.49    5    390    72  2.591  B96

C/2022 L2     25/11/2022 18:17:50    5.91   5.30   4.66  18.07    6    557    98  2.746  B96

C/2022 L2     18/05/2023 00:28:47    3.34   4.04   8.25  15.34    5   1275   245  3.105  B96

C/2022 L2     05/06/2023 00:19:12    3.14   3.91   8.79  16.19   13    485    38  2.685  B96

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

http://cara.uai.it

Comet C/2022 L2 (Catalina) (astro.vanbuitenen.nl)

Discovery:  [ CBET 5136 : 20220620 : COMET C/2022 L2 (ATLAS) ]

     A. Fitzsimmons reports the discovery of a comet in four 30-second survey  images taken on Jun 6 UT by ATLAS-MLO (T08), noting a very condensed 9" coma. Additional reports of cometary features are as follows:

OC   Date        Reporter           Coma    Tail    PA          Exposures

B49  2022-06-10  J. Camarasa       15".7

J95  2022-06-11  P. Birtwhistle     8"                        160x10s

H06  2022-06-11  H. Sato            8"                          6x120s

G18  2022-06-11  A. Valvasori      10"                         49x120s

Z08  2022-06-12  E. Guido           7"                         25x90s

H06  2022-06-12  N. Paul           11".5                        5x120s

B96  2022-06-13  E. Bryssinck       8"                         20x120s

MPEC 2022-M18 : COMET C/2022 L2 (ATLAS)