123P/West-Hartley (Record n° 1900)
Orbital period : 7.66 years
NASA/JPL elements
IAU/MPC elements
On 2011 Feb 04 21h06 UT by Philippe DupouyNuclear magnitude (m2) 16.8 m2 standard deviation 0.2 Aperture radius used for m2 6 " r (dist/Sun) 2.423 AU d (dist/Earth) 1.788 AU Right ascension 04 45 01.48 h m s Declination +38 27 46.1 ° ' " MPC report COD 958
OBS Ph. Dupouy
MEA Ph. Dupouy
TEL 0.32-m f/6 reflector + CCD
ACK MPCReport file updated 2011.02.12 18:00:00
AC2 obsdax@wanadoo.fr
NET UCAC-3
0123P KC2011 02 04.87897 04 45 01.48 +38 27 46.1 16.7 N 958
0123P KC2011 02 04.88669 04 45 01.59 +38 27 46.3 16.6 N 958
0123P KC2011 02 04.89562 04 45 01.64 +38 27 44.7 17.1 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 13.8x9.21 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 Feb 13 02h46m17s