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Astrometric data for minor planet center

COD B96

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

OBS E.Bryssinck

MEA E.Bryssinck

TEL 0.4-m f/3.8 astrograph + CCD

ACK MPCReport file updated 2015.09.10 20:36:40

AC2 erik.bryssinck@telenet.be

NET USNO-A2.0

     P10nCjN  C2015 09 10.08881 02 57 37.28 -00 19 32.5          18.3 R      B96

     P10nCjN  C2015 09 10.10042 02 57 37.29 -00 19 28.1          18.4 R      B96

     P10nCjN  C2015 09 10.11038 02 57 37.30 -00 19 27.5          18.2 R      B96

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Comet C/2015 R1 (PANSTARRS) - 10 sept.2015

Photometry obtained by use of FOCAS-II software

COD B96

CON BRIXIIS Observatory, Kruibeke, Belgium

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

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

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

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

C/2015 R1     10/09/2015 02:24:24  18.65  18.27  17.96  17.88                 2.5  17.8  B96

C/2015 R1     10/09/2015 02:24:24*  0.23   0.46   0.34   0.75                  12   3.6  USN

                                                                     AFRHO         LOG

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

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

C/2015 R1     Orbital elements not found

FoCAs 3.43

www.astrosurf.com/cometas-obs

es.groups.yahoo.com/group/Cometas_Obs

Observations of object, while it was still mentioned on the PCCP of the minor planet center from BRIXIIS Observatory with a 0.4-m f/3.8 telescope with Clear filter. 15 stacked 120sec. CCD-images reveal a cometary feature with a coma of 14” and a hint of a tail towards South-West.  Later on 12 sept., this object was assigned as comet C/2015 R1 (PANSTARRS)and issued in CBET 4141: 20150912 : COMET C/2015 R1 (PANSTARRS)

COMET C/2015 R1 (PANSTARRS)

     Eva Lilly and Richard Wainscoat report the discovery of a comet in three i-band exposures taken with the 1.8-m Pan-STARRS1 telescope at Haleakala on Sept. 8.6 UT (discovery observations tabulated below), noting evidence of a short diffuse tail extending for approximately 2" towards position angle approximately 270 degrees. ….    E. Bryssinck, Kruibeke, Belgium, reports that fifteen stacked 120-s exposures taken on Sept. 10.1 with a 0.4-m f/3.8 reflector show a condensed coma 13" in size that is elongated toward the southwest (p.a. 240 deg)) with a hint of a tail 19" long.