123P/West-Hartley (Record n° 30097)
Orbital period : 7.66 years
NASA/JPL elements
IAU/MPC elements
On 2025 Oct 07 08h34 UT by Pierre Traverse
(Copyright Pierre Traverse)Nuclear magnitude (m2) 19.5 m2 standard deviation 0.1 Aperture radius used for m2 6 " r (dist/Sun) 3.261 AU d (dist/Earth) 2.580 AU Right ascension 04 24 27.32 h m s Declination +24 25 38.0 ° ' " MPC report COD X03
CON P. Traverse [pierre.traverse@orange.fr]
OBS J. L. Virlichie, P. Traverse, H. Roy
MEA P. Traverse
TEL 0.35-m f/4.7 Newtonian reflector + CMOS + CCD
ACK MPCReport file updated 2025.10.07 19:14:25
AC2 pierre.traverse@orange.fr
NET Gaia DR2
0123P KC2025 10 07.35729 04 24 27.32 +24 25 38.0 19.4 G X03
0123P KC2025 10 07.36449 04 24 27.27 +24 25 39.6 19.6 G X03
0123P KC2025 10 07.37096 04 24 27.22 +24 25 41.2 19.4 G X03
Instrumental configuration Config1 Instrument ONTC 355mm Instrument type Newton Instrument aperture (0=naked eye) 350 mm Instrument focale length 1645 mm Instrument focale/diameter 4.7 Filter(s) L Camera CMOS Player One IMX571 Sensor CMOS Sensor pixels number 6252X4176 Sensor temperature -10 °C Binning 2x2 Mount SW EQ8 Motorization No Autoguide Yes Exposure details 29x120s Observatory MPC code X03 Location Monte Patria Chili Reference stars catalog Gaia DR2
Used softwares Astrometrica Resulting picture sampling (scale) 0.86 "/pix Observation submission date 2025 Oct 07 19h23m37s Observation modification date 2025 Oct 07 19h25m23s