242P/Spahr (Record n° 5162)
Orbital period : 12.85 years
NASA/JPL elements
IAU/MPC elements
On 2011 Nov 19 22h25 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 17.4 m2 standard deviation 0.1 Aperture radius used for m2 8 " r (dist/Sun) 4.028 AU d (dist/Earth) 3.172 AU Right ascension 03 09 35.68 h m s Declination -14 26 13.8 ° ' " 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 2011.11.19
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0242P KC2011 11 19.93426 03 09 35.68 -14 26 13.8 17.5 N C10
0242P KC2011 11 19.94469 03 09 35.35 -14 26 16.7 17.3 N C10
0242P KC2011 11 19.95364 03 09 35.04 -14 26 18.8 17.4 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 -25 °C Binning 1x1 Mount PERL-VIXEN Autoguide Yes Exposure total time 1800 s Exposure details 15 X 120s Seeing 3 Moon elongation 115 ° Air mass 2.24 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 FC GIMP Observation submission date 2011 Nov 21 15h44m23s Observation modification date 2011 Nov 21 15h56m23s