C/2011 G1 (McNaught) (Record n° 5436)
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 deviation 0.2 Aperture radius used for m2 8 " r (dist/Sun) 2.456 AU d (dist/Earth) 1.626 AU Right ascension 09 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 type Newton Instrument aperture (0=naked eye) 254 mm Instrument focale length 900 mm Instrument focale/diameter 3.6 Camera ST7-XMEd Sensor CCD Sensor size 6.9 x 4.6 mm2 Sensor pixels number 765 x 510 Sensor temperature -25 °C Binning 1x1 Mount PERL-VIXEN Autoguide Yes Exposure total time 1560 s Exposure details 13 X 120s Seeing 3 Moon elongation 159 ° Air mass 1.11 Observatory MPC code C10 Location 77 Reference stars catalog USNO-B1.0
Used softwares ASTROMETRICA Resulting picture sampling (scale) 2.04 "/pix Image processing PRISMV8 DDP GIMP Observation submission date 2011 Dec 27 16h00m37s Observation modification date 2011 Dec 28 21h31m39s