123P/West-Hartley (Record n° 2700)
Orbital period : 7.66 years
NASA/JPL elements
IAU/MPC elements
On 2011 Apr 30 21h26 UT by Jean-Francois Soulier
(Copyright Jean-Francois Soulier)Nuclear magnitude (m2) 16.2 m2 standard deviation 0.1 Aperture radius used for m2 8 " r (dist/Sun) 2.190 AU d (dist/Earth) 2.482 AU Right ascension 06 50 01.14 h m s Declination +36 11 19.4 ° ' " 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 2011.04.30
AC2 jean-francois.soulier2@wanadoo.fr
NET USNO-B1.0
0123P C2011 04 30.89304 06 50 01.14 +36 11 19.4 16.2 N C10
0123P C2011 04 30.90171 06 50 02.32 +36 11 16.9 16.1 N C10
0123P C2011 04 30.90940 06 50 03.37 +36 11 15.3 16.1 N C10
0123P C2011 04 30.91731 06 50 04.44 +36 11 13.3 16.2 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 -15 °C Binning 1x1 Mount PERL-VIXEN Autoguide Yes Exposure total time 1800 s Exposure details 15 X 120s Seeing 4 Moon elongation 86 ° Air mass 2.49 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 APE DDP Observation submission date 2011 May 01 06h42m10s Observation modification date 2011 May 02 13h09m01s