C/2011 S2 (Kowalski) (Record n° 4704)
Orbital period : 66.70 years
NASA/JPL elements
IAU/MPC elements
On 2011 Oct 03 03h05 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 16.3 Aperture radius used for m2 8 " r (dist/Sun) 1.173 AU d (dist/Earth) 1.480 AU Right ascension 09 23 04.98 h m s Declination +18 48 16.6 ° ' " 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 2011.10.03
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
CK11S020 C2011 10 03.12846 09 23 04.98 +18 48 16.6 16.3 N C10
CK11S020 C2011 10 03.13433 09 23 06.45 +18 48 04.5 16.4 N C10
CK11S020 C2011 10 03.14220 09 23 08.36 +18 47 48.1 16.3 N C10
CK11S020 C2011 10 03.14978 09 23 10.13 +18 47 32.8 16.3 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 1800 s Exposure details 15 X 120s Seeing 2 Moon elongation 129 ° Air mass 2.81 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 Oct 03 14h30m34s Observation modification date 2011 Oct 04 10h11m58s