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20170702

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Comet C/2017 M4 (ATLAS)

Photometric data obtained from FOCAS-II software


COD B96

CON BRIXIIS Observatory - Eyckensbeekstraat 2, B-9150 Kruibeke, Belgium

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


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

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

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

C/2017 M4     23/06/2017 22:18:30  18.02  17.94  17.64  17.55  17.47          4.3  17.4  B96

C/2017 M4     23/06/2017 22:18:30*  0.20   0.43   0.58   0.78   1.10            8   3.9  USN

C/2017 M4     02/07/2017 22:27:12  18.12  18.00  17.98                        4.0  18.2  B96

C/2017 M4     02/07/2017 22:27:12*  0.13   0.12   0.15                          5   3.9  USN

C/2017 M4     08/07/2017 22:22:05  17.98  17.95  17.88  17.71  17.49  17.42   3.1  17.6  B96

C/2017 M4     08/07/2017 22:22:05*  0.15   0.24   0.26   0.18   0.51   0.69     4   3.9  USN

C/2017 M4     12/07/2017 22:01:26  17.59  17.44  17.52                        5.8  17.3  B96

C/2017 M4     12/07/2017 22:01:26*  0.11   0.29   0.28                          5   3.8  USN

C/2017 M4     27/07/2017 21:56:01  17.59  17.39  17.35                        9.8  18.1  B96

C/2017 M4     27/07/2017 21:56:01*  0.14   0.21   0.08                          4   3.9  USN

C/2017 M4     22/09/2017 21:00:33  17.54  17.25  17.21  17.23  17.24  17.14  12.9  18.5  B96

C/2017 M4     22/09/2017 21:00:33*  0.04   0.04   0.03   0.11   0.24   0.39     4   3.6  USN

C/2017 M4     24/09/2017 20:39:10  17.50  17.25  17.31                        8.7  18.0  B96

C/2017 M4     24/09/2017 20:39:10*  0.08   0.18   0.23                          4   3.9  USN

C/2017 M4     13/10/2017 19:25:21  17.50  17.11  16.94  16.83  16.79  16.84  13.7  18.6  B96

C/2017 M4     13/10/2017 19:25:21*  0.04   0.03   0.12   0.22   0.25   0.31     4   3.6  USN

C/2017 M4     14/10/2017 19:36:18  17.52  17.22  17.30                       11.4  18.3  B96

C/2017 M4     14/10/2017 19:36:18*  0.06   0.06   0.06                          6   3.2  USN

C/2017 M4     21/10/2017 19:09:28  17.45  17.02  16.64                        6.2  18.4  B96

C/2017 M4     21/10/2017 19:09:28*  0.06   0.08   0.20                          4   5.1  USN

C/2017 M4     06/11/2017 18:48:36  17.44  17.12                              10.9  18.0  B96

C/2017 M4     06/11/2017 18:48:36*  0.05   0.09                                 4   4.0  USN

C/2017 M4     04/06/2018 23:02:10  15.79  15.16  14.88  14.77  14.72  14.70  26.3  18.0  B96

C/2017 M4     04/06/2018 23:02:10*  0.02   0.02   0.02   0.03   0.05   0.07     4   3.9  USN

C/2017 M4     05/06/2018 22:06:32  15.54  14.98  14.72  14.63  14.67         19.8  17.4  B96

C/2017 M4     05/06/2018 22:06:32*  0.03   0.03   0.03   0.03   0.07            5   3.4  USN

C/2017 M4     09/06/2018 22:08:28  15.41  14.83  14.59  14.49  14.50  14.54  17.6  16.6  B96

C/2017 M4     09/06/2018 22:08:28*  0.03   0.08   0.09   0.12   0.17   0.16     4   3.5  CMC

C/2017 M4     20/06/2018 21:47:44  15.37  14.68  14.42  14.30  14.27  14.28  24.3  17.6  B96

C/2017 M4     20/06/2018 21:47:44*  0.02   0.02   0.03   0.03   0.05   0.07     5   3.7  USN

C/2017 M4     21/06/2018 21:47:20  15.31  14.62  14.35  14.21  14.17  14.15  26.4  17.5  B96

C/2017 M4     21/06/2018 21:47:20*  0.01   0.01   0.01   0.02   0.02   0.03     5   3.7  USN

C/2017 M4     25/06/2018 22:01:29  15.54  14.84  14.56  14.44  14.36  14.35  26.3  17.9  B96

C/2017 M4     25/06/2018 22:01:29*  0.02   0.02   0.01   0.01   0.02   0.03     5   3.4  USN

C/2017 M4     01/07/2018 22:15:11  15.45  14.76  14.51  14.37  14.30  14.26  23.2  18.4  B96

C/2017 M4     01/07/2018 22:15:11*  0.01   0.01   0.02   0.03   0.03   0.05     5   3.9  USN

C/2017 M4     12/07/2018 21:58:13  15.11  14.44  14.18  14.06  13.99  13.95  27.7  18.0  B96

C/2017 M4     12/07/2018 21:58:13*  0.02   0.02   0.02   0.02   0.04   0.04     5   3.7  USN

C/2017 M4     13/07/2018 22:00:29  15.14  14.47  14.19  14.04  13.99  13.98  26.7  17.8  B96

C/2017 M4     13/07/2018 22:00:29*  0.02   0.05   0.03   0.02   0.04   0.05     5   3.7  USN

C/2017 M4     14/07/2018 22:05:33  15.09  14.44  14.14  13.99  13.94  13.91  19.7  18.2  B96

C/2017 M4     14/07/2018 22:05:33*  0.06   0.04   0.03   0.04   0.01   0.02     2   3.8  USN

C/2017 M4     16/07/2018 22:36:35  15.17  14.51  14.24  14.10  14.03  14.00  25.8  17.7  B96

C/2017 M4     16/07/2018 22:36:35*  0.01   0.04   0.05   0.05   0.07   0.07     5   3.7  USN

C/2017 M4     17/07/2018 22:00:05  15.14  14.46  14.17  14.03  13.98  13.94  26.9  18.0  B96

C/2017 M4     17/07/2018 22:00:05*  0.01   0.01   0.02   0.01   0.01   0.02     5   3.8  USN

C/2017 M4     18/07/2018 22:02:25  14.69  14.03  13.77  13.63  13.57  13.55  23.5  17.4  B96

C/2017 M4     18/07/2018 22:02:25*  0.02   0.04   0.05   0.05   0.06   0.08     7   3.9  USN

C/2017 M4     23/07/2018 21:40:20  14.73  14.05  13.77  13.62  13.55  13.51  26.3  17.1  B96

C/2017 M4     23/07/2018 21:40:20*  0.00   0.02   0.03   0.04   0.05   0.06     3   3.8  USN

C/2017 M4     01/08/2018 21:31:05  15.16  14.47  14.18  14.05  13.98  13.95  17.5  17.8  B96

C/2017 M4     01/08/2018 21:31:05*  0.02   0.03   0.02   0.03   0.03   0.04     7   3.7  USN

C/2017 M4     02/08/2018 21:00:23  15.56  14.89  14.59  14.45  14.39  14.35  27.5  17.9  B96

C/2017 M4     02/08/2018 21:00:23*  0.00   0.02   0.03   0.03   0.04   0.03     3   3.5  Gai

C/2017 M4     05/08/2018 21:12:15  15.34  14.67  14.40  14.25  14.17  14.13  18.5  18.3  B96

C/2017 M4     05/08/2018 21:12:15*  0.01   0.04   0.05   0.06   0.05   0.07     4   3.8  CMC

C/2017 M4     06/08/2018 21:08:00  15.35  14.66  14.36  14.22  14.15  14.13  21.3  18.0  B96

C/2017 M4     06/08/2018 21:08:00*  0.01   0.01   0.00   0.01   0.02   0.02     3   3.7  CMC

C/2017 M4     08/08/2018 20:59:52  15.33  14.66  14.39  14.23  14.16  14.13  16.1  18.2  B96

C/2017 M4     08/08/2018 20:59:52*  0.02   0.02   0.03   0.03   0.05   0.05     6   3.8  CMC

C/2017 M4     17/08/2018 20:59:10  15.31  14.63  14.33  14.19  14.11  14.08  19.3  17.3  B96

C/2017 M4     17/08/2018 20:59:10*  0.02   0.02   0.02   0.01   0.03   0.02     4   4.3  CMC

C/2017 M4     31/08/2018 20:21:51  15.45  14.74  14.40  14.27  14.21  14.18  13.0  17.1  B96

C/2017 M4     31/08/2018 20:21:51*  0.01   0.04   0.05   0.01   0.01   0.02     2   3.7  CMC

C/2017 M4     01/09/2018 20:02:35  15.22  14.57  14.27  14.13  14.06  14.02  21.8  17.5  B96

C/2017 M4     01/09/2018 20:02:35*  0.02   0.05   0.04   0.05   0.07   0.12     6   3.6  USN

C/2017 M4     02/09/2018 20:04:02  15.34  14.69  14.40  14.27  14.22  14.21  24.8  17.8  B96

C/2017 M4     02/09/2018 20:04:02*  0.01   0.01   0.01   0.00   0.02   0.02     4   3.9  CMC

C/2017 M4     24/09/2018 19:16:23  15.29  14.58  14.29  14.18  14.11  14.07  18.3  17.0  B96

C/2017 M4     24/09/2018 19:16:23*  0.03   0.07   0.08   0.12   0.17   0.23     6   4.0  CMC


                                                                     AFRHO         LOG

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

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

C/2017 M4     23/06/2017 22:18:30    6.11   6.02   4.51  18.37    4    586   136  2.768  B96

C/2017 M4     08/07/2017 22:22:05    5.92   5.92   4.65  18.34    3    547   176  2.738  B96

C/2017 M4     12/07/2017 22:01:26    5.88   5.90   4.69  17.63    6   1028   177  3.012  B96

C/2017 M4     27/07/2017 21:56:01    5.69   5.79   4.84  17.74   10    835    85  2.922  B96

C/2017 M4     22/09/2017 21:00:33    5.25   5.41   5.26  17.59   13    713    55  2.853  B96

C/2017 M4     24/09/2017 20:39:10    5.24   5.40   5.26  17.59    9    705    81  2.848  B96

C/2017 M4     13/10/2017 19:25:21    5.20   5.29   5.30  17.68   14    617    45  2.790  B96

C/2017 M4     14/10/2017 19:36:18    5.20   5.28   5.30  17.62   11    647    57  2.811  B96

C/2017 M4     21/10/2017 19:09:28    5.19   5.24   5.31  17.93    6    479    77  2.680  B96

C/2017 M4     Not enough boxes

C/2017 M4     04/06/2018 23:02:10    3.46   3.89   7.96  15.82   26    821    31  2.915  B96

C/2017 M4     05/06/2018 22:06:32    3.45   3.88   7.98  15.59   20   1009    51  3.004  B96

C/2017 M4     09/06/2018 22:08:28    3.41   3.86   8.08  15.39   18   1171    67  3.069  B96

C/2017 M4     18/06/2018 21:47:33    3.34   3.82   8.27  15.23   22   1268    58  3.103  B96

C/2017 M4     20/06/2018 21:47:44    3.32   3.81   8.30  15.35   24   1120    46  3.049  B96

C/2017 M4     21/06/2018 21:47:20    3.31   3.81   8.32  15.30   26   1156    44  3.063  B96

C/2017 M4     25/06/2018 22:01:29    3.29   3.79   8.38  15.53   26    912    35  2.960  B96

C/2017 M4     01/07/2018 22:15:11    3.26   3.76   8.46  15.45   23    958    41  2.981  B96

C/2017 M4     12/07/2018 21:58:13    3.23   3.71   8.53  15.10   28   1262    46  3.101  B96

C/2017 M4     13/07/2018 22:00:29    3.23   3.71   8.54  15.13   27   1224    46  3.088  B96

C/2017 M4     14/07/2018 22:05:33    3.23   3.70   8.54  15.09   20   1263    64  3.101  B96

C/2017 M4     16/07/2018 22:36:35    3.23   3.69   8.54  15.17   26   1172    45  3.069  B96

C/2017 M4     17/07/2018 22:00:05    3.23   3.69   8.54  15.13   27   1208    45  3.082  B96

C/2017 M4     18/07/2018 22:02:25    3.23   3.68   8.53  14.68   24   1829    78  3.262  B96

C/2017 M4     23/07/2018 21:40:20    3.24   3.66   8.51  14.73   26   1730    66  3.238  B96

C/2017 M4     01/08/2018 21:31:05    3.27   3.62   8.44  15.16   18   1165    67  3.066  B96

C/2017 M4     02/08/2018 21:00:23    3.27   3.62   8.43  15.57   28    799    29  2.903  B96

C/2017 M4     05/08/2018 21:12:15    3.29   3.61   8.38  15.36   19    975    53  2.989  B96

C/2017 M4     06/08/2018 21:08:00    3.29   3.60   8.37  15.36   21    975    46  2.989  B96

C/2017 M4     08/08/2018 20:59:52    3.31   3.60   8.34  15.35   16    986    61  2.994  B96

C/2017 M4     17/08/2018 20:59:10    3.37   3.56   8.18  15.34   19   1011    52  3.005  B96

C/2017 M4     31/08/2018 20:21:51    3.50   3.51   7.89  15.50   13    913    70  2.961  B96

C/2017 M4     01/09/2018 20:02:35    3.50   3.51   7.87  15.28   22   1120    51  3.049  B96

C/2017 M4     24/09/2018 19:16:23    3.75   3.43   7.36  15.37   18   1128    62  3.052  B96

C/2017 M4     02/09/2018 20:04:02    3.51   3.50   7.85  15.38   25   1025    41  3.011  B96


FoCAs 3.53

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 nr. 4397, issued on 2017, June 01, announces the discovery of a comet (magnitude ~17) with the ATLAS T 0.5-m f/2.0 Schmidt telescope at Haleakala  on CCD exposures taken on May 26.5 with the ATLAS 0.5-m f/2.0 Schmidt telescope at Haleakala. The new comet has assigned as C/2017 K4 (ATLAS).