242P/Spahr (Record n° 911)
Orbital period : 12.85 years
NASA/JPL elements
IAU/MPC elements
On 2010 Sep 10 22h13 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 18.5 m2 standard deviation 0.3 Aperture radius used for m2 8 " r (dist/Sun) 4.701 AU d (dist/Earth) 3.717 AU Right ascension 23 56 30.70 h m s Declination +02 37 05.5 ° ' " 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 2010.09.10
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0242P C2010 09 10.97285 23 56 30.70 +02 37 05.5 18.5 N C10
0242P C2010 09 10.98100 23 56 30.30 +02 37 03.3 19.2 N C10
0242P C2010 09 10.98969 23 56 29.76 +02 37 00.2 18.9 N C10
Instrument type Newton Instrument aperture (0=naked eye) 254 mm Instrument focale length 900 mm Instrument focale/diameter 3.54 Camera ST7-XMEd Sensor CCD Sensor size 6.9x4.6 mm2 Sensor pixels number 765x510 Sensor temperature -20 °C Binning 1x1 Mount PERL-VIXEN Autoguide Yes Exposure total time 840 s Exposure details 7X120s Seeing 3 Moon elongation 156 ° Air mass 1.49 Observatory MPC code C10 Location 77 Reference stars catalog USNOB1.0 Used softwares ASTROMETRICA Resulting picture sampling (scale) 2.06 "/pix Image processing PRISMV6 APE N/B Observation submission date 2010 Sep 16 09h42m15s Observation modification date 2010 Sep 16 10h03m56s