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C/2011 G1 (McNaught)


NASA/JPL elements
IAU/MPC elements


On 2011 Dec 27 01h03 UT by Jean-Francois Soulier


(Copyright Jean-Francois Soulier)

Nuclear magnitude (m2)17.5
m2 standard deviation0.2
Aperture radius used for m28 "
r (dist/Sun) 2.456 AU
d (dist/Earth) 1.626 AU
Right ascension09 22 18.34 h m s
Declination+31 43 47.6 ° ' "
MPC report
COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.F. Soulier
MEA J.F. Soulier
TEL 0.255-m f/3.6 Newtonian reflector + CCD
ACK MPCReport file updated 2011.12.27
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
    CK11G010  C2011 12 27.04396 09 22 18.34 +31 43 47.6          17.5 N      C10
    CK11G010  C2011 12 27.04997 09 22 16.83 +31 43 59.5          17.3 N      C10
    CK11G010  C2011 12 27.05749 09 22 14.99 +31 44 14.8          17.4 N      C10
    CK11G010  C2011 12 27.06380 09 22 13.42 +31 44 27.2          17.9 N      C10
Instrument typeNewton
Instrument aperture (0=naked eye)254 mm
Instrument focale length900 mm
Instrument focale/diameter3.6
CameraST7-XMEd
SensorCCD
Sensor size6.9 x 4.6 mm2
Sensor pixels number765 x 510
Sensor temperature-25 °C
Binning1x1
MountPERL-VIXEN
AutoguideYes
Exposure total time1560 s
Exposure details13 X 120s
Seeing3
Moon elongation159 °
Air mass1.11
Observatory MPC codeC10
Location77
Reference stars catalogUSNO-B1.0
Used softwaresASTROMETRICA
Resulting picture sampling (scale)2.04 "/pix
Image processingPRISMV8 DDP GIMP
Observation submission date2011 Dec 27 16h00m37s
Observation modification date2011 Dec 28 21h31m39s

(Record n° 5436)

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