73P/Schwassmann-Wachmann (c) (Record n° 2510)
Orbital period : 5.36 years
NASA/JPL elements
IAU/MPC elements
On 2011 Apr 19 21h23 UT by Jean-Francois SoulierNuclear magnitude (m2) 17.7 m2 standard deviation 0.2 Aperture radius used for m2 8 " Right ascension 08 44 42.25 h m s Declination +31 36 10.0 ° ' " 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 2011.04.19
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0073Pc C2011 04 19.89102 08 44 42.25 +31 36 10.0 17.8 N C10
0073Pc C2011 04 19.90116 08 44 42.42 +31 36 06.3 17.5 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 Seeing 2 Moon elongation 110 ° Air mass 1.30 Observatory MPC code C10 Location 77 Reference stars catalog USNO-B1.0
Used softwares ASTROMETRICA Observation submission date 2011 Apr 20 00h34m11s Observation modification date 2011 Apr 20 00h40m44s