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Comet C/2017 A1 (PANSTARRS)

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

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C/2017 A1     03/01/2017 15:04:43  19.26  18.94  18.76  18.59  18.48  18.18   5.0  21.0  Q62

C/2017 A1     03/01/2017 15:04:43*  0.17   0.15   0.35   0.51   0.68   0.69     7   3.4  USN

                                                                     AFRHO         LOG

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

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

C/2017 A1     03/01/2017 15:04:43    2.00   2.71  13.81  19.13    5      6     1  0.797  Q62

FoCAs 3.49

www.astrosurf.com/cometas-obs

es.groups.yahoo.com/group/Cometas_Obs

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

http://cara.uai.it

Confirmation of comet C/2017 A1, observations made with a 0.7-m f/6.5 remote telescope from the itelescope.net network in siding Spring, Australia on 3.6 jan.2017.  Object was later on 6 jan assigned as comet C/2017 A1 (PANSTARRS) with CBET 4340

COMET C/2017 A1 (PANSTARRS)

     Richard Wainscoat, Eva Lilly, Rob Weryk, and Marco Micheli report the discovery of another apparent comet in w-band

exposures obtained with the 1.8-m Ritchey-Chretien Pan-STARRS1 telescope at Haleakala on Jan. 2 (discovery observations tabulated below).  While the comet has significant interference from background objects in the discovery images, it shows a brighter, more diffuse nuclear condensation with a tail extending to the north for approximately 8"…..

…..    E. Bryssinck, Kruibeke, Belgium, writes that seven co-added images taken remotely on Jan. 3.62 with a 0.7-m f/6.6 telescope (+ Luminance filter) at Siding Spring, NSW, reveals a starlike object with a condensed coma of size 12" and a hint of a tail 19" long towards p.a. 8 deg.  Fifteen stacked 15-s images taken by T. Linder and R. Holmes with…….