123P/West-Hartley (Record n° 1646)
Orbital period : 7.66 years
NASA/JPL elements
IAU/MPC elements
On 2011 Jan 09 23h21 UT by Philippe DupouyNuclear magnitude (m2) 17 m2 standard deviation 0.1 Aperture radius used for m2 6 " r (dist/Sun) 2.518 AU d (dist/Earth) 1.650 AU Right ascension 04 51 50.67 h m s Declination +38 37 30.6 ° ' " MPC report COD 958
OBS Ph. Dupouy
MEA Ph. Dupouy
TEL 0.32-m f/6 reflector + CCD
ACK MPCReport file updated 2011.01.10 21:30:00
AC2 obsdax@wanadoo.fr
NET UCAC-3
0123P KC2011 01 09.97314 04 51 50.67 +38 37 30.6 17.1 N 958
0123P KC2011 01 09.97891 04 51 50.43 +38 37 30.3 16.9 N 958
0123P KC2011 01 09.98442 04 51 50.19 +38 37 30.8 17.0 N 958
Instrument type Newton Instrument aperture (0=naked eye) 320 mm Instrument focale length 1920 mm Instrument focale/diameter 6 Camera Audine 1600 Sensor CCD Sensor size 13.8x9.2 mm2 Sensor pixels number 1536x1024 Sensor temperature -15 °C Binning 2x2 Mount home Meade Motorization Yes Autoguide No Observatory MPC code 958 Location Dax 40100 France Reference stars catalog UCAC-3
Used softwares ASTROMETRICA Observation submission date 2011 Jan 10 22h43m15s