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136P/MUELLER

Photometric data obtained by use of FOCAS-II software

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

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

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

136P          25/08/2016 02:04:13  19.23  18.97  18.66  18.56                 0.8  17.6  B96

136P          25/08/2016 02:04:13*  0.00   0.00   0.00   0.00                   1   3.6  CMC

136P          05/10/2016 00:07:25  17.86  17.50  17.41                        4.5  17.8  B96

136P          05/10/2016 00:07:25*  0.05   0.26   0.51                          3   3.5  USN

136P          05/10/2016 23:13:35  17.83  17.36  17.33                        1.7  17.5  B96

136P          05/10/2016 23:13:35*  0.16   0.13   0.18                          4   3.7  CMC

136P          29/10/2016 20:57:01  17.77  17.18  16.90                        1.7  16.8  B96

136P          29/10/2016 20:57:01*  0.13   0.45   0.40                          4   3.1  USN

136P          03/12/2016 20:29:46  17.86  17.13  16.82  16.44  16.16  15.91   1.9  17.0  B96

136P          03/12/2016 20:29:46*  0.32   0.20   0.31   0.22   0.03   0.08     2   3.6  USN

136P          04/12/2016 20:33:53  18.07  18.00  17.88  17.83                 4.2  17.3  B96

136P          04/12/2016 20:33:53*  0.13   0.03   0.18   0.37                   2   3.7  USN

                                                                     AFRHO         LOG

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

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

136P          25/08/2016 02:04:13    2.48   3.01  11.13  19.20    1     11    14  1.049  B96

136P          05/10/2016 00:07:25    2.14   3.06  12.88  17.73    5     33     7  1.520  B96

136P          05/10/2016 23:13:35    2.14   3.06  12.91  17.67    2     35    21  1.544  B96

136P          29/10/2016 20:57:01    2.11   3.09  13.05  17.55    2     39    23  1.592  B96

136P          03/12/2016 20:29:46    2.35   3.14  11.71  17.72    2     43    22  1.631  B96

136P          04/12/2016 20:33:53    2.37   3.14  11.66  18.06    4     32     8  1.501  B96

136P on Kronk’s cometography

Jean Mueller (Palomar Observatory, California, USA) discovered this comet on photographic plates exposed on 1990 September 24 and 25 with the 1.2-m Oschin Schmidt telescope in the course of the second Palomar Sky Survey. She estimated the magnitude as 18 and noted a faint tail extending westward. This comet is also known as Mueller 3 .

     Within a couple of days of the announcement, E. Bowell (Lowell Observatory, Arizona, USA) announced that prediscovery images had been found on plates exposed on September 17 and 19 by H. E. Holt, H. R. Holt, C. M. Olmstead, and J. A. Brown with the 0.46-m Schmidt telescope at Palomar Observatory. The comet appeared at magnitude 17.5 on those images.