C/2011 A3 (Gibbs) (Record n° 2516)
Orbital period : 20993.00 years
NASA/JPL elements
IAU/MPC elements
On 2011 Apr 21 22h18 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 16.9 Aperture radius used for m2 8 " r (dist/Sun) 3.482 AU d (dist/Earth) 2.650 AU Right ascension 13 22 15.89 h m s Declination +27 29 02.8 ° ' " 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 2011.04.21
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
CK11A030 C2011 04 21.92903 13 22 15.89 +27 29 02.8 16.9 N C10
CK11A030 C2011 04 21.93488 13 22 15.68 +27 29 04.0 16.9 N C10
CK11A030 C2011 04 21.94299 13 22 15.41 +27 29 05.5 16.9 N C10
CK11A030 C2011 04 21.95305 13 22 15.06 +27 29 07.5 16.9 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 -15 °C Binning 1x1 Mount PERL-VIXEN Autoguide Yes Exposure total time 1800 s Exposure details 15 X 120s Seeing 3 Moon elongation 79 ° Air mass 1.09 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 APE DDP FC Observation submission date 2011 Apr 22 02h57m32s Observation modification date 2011 Apr 22 13h15m29s