242P/Spahr (Record n° 4715)
Orbital period : 12.85 years
NASA/JPL elements
IAU/MPC elements
On 2011 Oct 07 01h46 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 18.5 m2 standard deviation 0.1 Aperture radius used for m2 6 " r (dist/Sun) 4.062 AU d (dist/Earth) 3.268 AU Right ascension 03 29 04.34 h m s Declination -08 57 41.0 ° ' " 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 2011.10.07
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0242P KC2011 10 07.07379 03 29 04.34 -08 57 41.0 18.4 N C10
0242P KC2011 10 07.08037 03 29 04.27 -08 57 45.5 18.5 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 Exposure total time 960 s Exposure details 8 X 120s Seeing 4 Moon elongation 91 ° Air mass 1.88 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 07 06h11m00s Observation modification date 2011 Oct 07 06h18m26s