123P/West-Hartley (Record n° 30374)
Orbital period : 7.66 years
NASA/JPL elements
IAU/MPC elements
On 2025 Nov 14 00h22 UT by Jonathan Vilhem
(Copyright Jonathan Vilhem)Nuclear magnitude (m2) 19.5 r (dist/Sun) 3.097 AU d (dist/Earth) 2.127 AU Right ascension 04 04 17.80 h m s Declination +26 30 53.6 ° ' " Instrumental configuration Config2 Instrument 250/1000 QUATTRO Instrument type Newton Instrument aperture (0=naked eye) 250 mm Instrument focale length 1000 mm Instrument focale/diameter 4 Filter(s) L Camera ASI 533 MM PRO Sensor CCD Sensor size 11.31X11.31 mm2 Sensor pixels number 3008X3008 Sensor temperature -10 °C Binning 4x4 Mount EQ6R PRO Motorization Yes Autoguide No Exposure total time 2880 s Exposure details 48X60S Sky transparency (naked eye max mag) 3 Seeing 3 Location Saint Jean Rohrbach Moselle France Reference stars catalog APASS Used softwares TYCHO Remarks or comments Nuage passager Observation submission date 2025 Nov 14 21h51m30s