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Astrometric data for minor planet center

COD Q62

CON Tzec-Maun.org, Siding Spring , Australia - Kruibeke, Belgium

OBS E.Bryssinck

MEA E.Bryssinck

TEL 0.15-m f/7.3 refractor + CCD

ACK MPCReport file updated 2015.03.26 20:34:37

AC2 erik.bryssinck@telenet.be

NET USNO-A2.0

     POL0001  C2015 03 26.71902 18 48 38.51 -50 00 24.4          18.0 R      Q62

     POL0001  C2015 03 26.72428 18 48 40.18 -50 00 16.3          17.7 R      Q62

     POL0001  C2015 03 26.73472 18 48 43.62 -49 59 57.9          17.3 R      Q62

     POL0001  C2015 03 26.73731 18 48 44.52 -49 59 53.1          17.9 R      Q62

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Comet C/2015 F2 (POLONIA) - 26 march 2015

Photometry obtained by use of FOCAS-II software

COD B96

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

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

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

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

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                                                                     AFRHO         LOG

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

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Observation of object POL0001 while it was still mentioned on the PCCP with a Takahashi TOA-150 from the Tzec Maun foundation located on Siding Spring Australia. Obect has cometary features and has a central condensation with a faint coma of 33”. Data obtained from 10 CCD-images of 60 sec each with Luminance filter.  CBET 4083 was issued on march 26th and, this object was assigned with comet C/2015 F2 (POLONIA).

COMET C/2015 F2 (POLONIA)      Rafal Reszelewski, Swidwin, Poland; and Michal Kusiak, Zywiec, Poland, report the discovery of a diffuse comet with diameter 7"-10" and no tail on CCD images (pixel size 3".5) obtained by Marcin Gedek (Oborniki, Poland), Michal Zolnowski (Krakow, Poland), and themselves on Mar. 23.3 UT (discovery observations tabulated below) with a remote-controlled 0.1-m f/5 astrograph of the Polonia Observatory at San Pedro de Atacama, Chile, in the course of

their comet-search program. After the object was posted on the Minor Planet Center's NEOCP and PCCP

webpages, other CCD astrometrists have …….  E. Bryssinck, Kruibeke, Belgium, stacked nine 60-s images taken remotely on Mar. 26.7 with a Tzec Maun 0.15-m f/7.2 refractor at Siding Spring, revealing a diffuse object with central

condensation and a coma diameter of 33".