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Comet P/2017 S8 (PANSTARRS)

Photometric data obtained from FOCAS-II software

COD U69

CON iTelescope.net SRO Observatory Auberry California USA   

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

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

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

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P/2017 S8     25/10/2017 08:48:23  18.88  18.63  18.48  18.53                 3.4  19.8  H06

P/2017 S8     25/10/2017 08:48:23*  0.25   0.39   0.23   0.66                   8   3.7  CMC

P/2017 S8     26/10/2017 13:05:45  19.00  18.53  18.52                        2.9  20.2  Q62

P/2017 S8     26/10/2017 13:05:45*  0.27   0.24   0.34                          8   4.6  CMC

                                                                     AFRHO         LOG

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

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

http://cara.uai.it

R. Weryk, Institute for Astronomy, University of Hawaii, reports the discovery of another comet on CCD exposures taken with the 1.8-m Pan-STARRS1 telescope at Haleakala on Sept. 30 UT 2017 , the object showing a very noticeable 8" tail towards the west; the comet's head showed a full-width-at-half-maximum of about 2".0 in 1".3 seeing…..

….Eight stacked 120-s exposures taken by E. Bryssinck (Kruibeke, Belgium) with an iTelescope 0.51-m f/4.5 reflector near Mayhill, NM, USA, on Oct. 25.36 show a condensed, starlike appearance and an elongated shape of size 8" x 12" toward the west (p.a. 276 deg); the magnitude was R = 19.0.  Four co-added 30-s ….

Info CBET 4447: 20171028 : COMET P/2017 S8 (PANSTARRS)