31P/Schwassmann-Wachmann (Record n° 6477)
Orbital period : 8.72 years
NASA/JPL elements
IAU/MPC elements
On 2012 May 12 22h12 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 20 m2 standard deviation 0.2 Aperture radius used for m2 7.5 " r (dist/Sun) 4.065 AU d (dist/Earth) 3.083 AU Right ascension 14 26 00.06 h m s Declination -08 23 56.7 ° ' " MPC report COD C10
CON JEAN-FRANCOIS SOULIER [jean-francois.soulier2@wanadoo.fr]
OBS J.F. Soulier
MEA J.F. Soulier
TEL 0.300-m f/4 Newtonian reflector + CCD
ACK MPCReport file updated 2012.05.12
AC2 jean-francois.soulier2@wanadoo.fr
NET UCAC-3
0031P KC2012 05 12.92478 14 26 00.06 -08 23 56.7 19.9 N C10
0031P KC2012 05 12.94855 14 25 59.26 -08 23 54.5 20.2 N C10
Instrument type Newton Instrument aperture (0=naked eye) 300 mm Instrument focale length 1200 mm Instrument focale/diameter 4 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 F60a Autoguide Yes Exposure total time 3480 s Exposure details 29 x 120s Seeing 3 Moon elongation 105 ° Air mass 1.89 Observatory MPC code C10 Location 77 Reference stars catalog UCAC-3
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.5 "/pix Image processing PRISMV8 LOG FC GIMP Session en automatique Observation submission date 2012 May 13 13h10m25s Observation modification date 2012 May 13 16h48m13s