C/2011 L3 (McNaught) (Record n° 4127)
Orbital period : 27782.00 years
NASA/JPL elements
IAU/MPC elements
On 2011 Aug 30 20h08 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 17.1 m2 standard deviation 0.1 Aperture radius used for m2 8 " r (dist/Sun) 1.939 AU d (dist/Earth) 1.415 AU Right ascension 18 09 54.09 h m s Declination +33 48 19.5 ° ' " 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 2011.08.30
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
CK11L030 C2011 08 30.83899 18 09 54.09 +33 48 19.5 16.9 N C10
CK11L030 C2011 08 30.84674 18 09 52.95 +33 48 21.4 17.1 N C10
CK11L030 C2011 08 30.85616 18 09 51.67 +33 48 22.3 17.2 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 -20 °C Binning 1x1 Mount PERL-VIXEN Autoguide Yes Exposure total time 1080 s Exposure details 9 X 120s Seeing 4 Moon elongation 96 ° Air mass 1.04 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 Aug 31 10h44m50s Observation modification date 2011 Aug 31 18h16m14s