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128P-b/SHOEMAKER-HOLT

Photometric data obtained by use of FOCAS-II software

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

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

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0128Pb        09/09/2016 02:40:35  18.46  17.79  17.22  16.80                 1.6  18.0  B96

0128Pb        09/09/2016 02:40:35*  0.18   0.35   0.48   0.60                   8   3.6  CMC

                                                                     AFRHO         LOG

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

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128P on Kronk’s cometography

 The discovery of this comet was first announced on IAU Circular 4472 (1987 October 19). The comet was found by Carolyn S. Shoemaker, Eugene M. Shoemaker, and Henry E. Holt on plates obtained on 1987 October 18.3 and October 19.5 with the 0.46-m Schmidt telescope at Palomar Observatory. It was described as "strongly condensed, with a slight coma asymmetric toward the southwest." Its photographic magnitude was estimated as 14.5.

Images of 1997 reveal 2 fragments of this comet, a primary and secundary fragment.