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C/2011 J2 (LINEAR) - 30 july 2014

Astrometry for minor planet center:


COD B96

CON BRIXIIS Observatory, Eyckensbeekstraat 2,9150 Kruibeke, Belgium  

OBS E.Bryssinck

MEA E.Bryssinck

TEL 0.4-m f/3.8 astrograph + CCD

ACK MPCReport file updated 2014.07.31 08:47:33

AC2 erik.bryssinck@

NET USNO-A2.0

    CK11J020  C2014 07 30.98869 00 56 41.14 +53 35 20.6          15.6 N      B96

    CK11J020  C2014 07 30.99109 00 56 41.05 +53 35 20.7          15.7 N      B96

    CK11J020  C2014 07 30.99350 00 56 40.77 +53 35 20.2          15.7 N      B96

    CK11J020  C2014 07 30.99603 00 56 40.69 +53 35 21.2          15.7 N      B96

    CK11J020  C2014 07 30.99854 00 56 40.38 +53 35 20.1          15.6 N      B96

Photometry output from FOCAS-II


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

OBJECT        DATE       TIME        +/-    +/-    +/-    +/-    +/-    +/-     N  FWHM  CAT

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

C/2011 J2     30/07/2014 23:54:16  15.34  14.62  14.26  14.04  13.92  13.85  16.8  17.0  B96

C/2011 J2     30/07/2014 23:54:16*  0.04   0.02   0.01   0.01   0.02   0.02     3   3.9  USN


                                                                     AFRHO         LOG

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

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

C/2011 J2     30/07/2014 23:54:16    3.86   3.98   7.15  15.55   17   1366    81  3.136  B96

After the announcement by F. Manzini, V. Oldani, A. Dan, Stazione Astronomica di Sozzago, Italy, R. Crippa, Osservatorio di Tradate, Italy, and R. Behrend, Geneva Observatory, Switzerland report that  CCD-images taken on 27 august 2014, show a second nucleus of comet C/2011 J2 (LINEAR) . After this announcement i re-examine my CCD-images of this comet and could find a second fragment near the nucleus of this comet. After image enhancement en processing I could see  ‘possible’ this fragment en did some measurements on the CCD-images, like you can see below in my ccd-images taken on 30 july 2014 of this comet.

Af(rho) according CARA approach