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Discovery:  IAUC 9204 : comet C/2011 G1 (McNaught)

Rob McNaught discovered a 17th magnitude comet on CCD images taken with the 0.5-m Uppsala Schmidt telescope at Siding Spring on April 5.74. The comet reached perihelion at 2.2 AU in September.

Comet C/2011 G1 (McNaught)

Photometric data obtained from FOCAS-II software:

COD B96

OBS BRIXIIS Observatory

CATALOG: Gaia DR2 - BAND: G

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

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

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

C/2011 G1     10/02/2012 20:16:35  18.49  17.98  18.07                        7.2  17.9  B96

C/2011 G1     10/02/2012 20:16:35*  0.11   0.21   0.20                          3   2.7  Gai

                                                                     AFRHO         LOG

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

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

C/2011 G1     Orbital elements not found

FoCAs 3.66

www.astrosurf.com/cometas-obs

es.groups.yahoo.com/group/Cometas_Obs