103P/Hartley (Record n° 1306)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 2010 Sep 04 00h37 UT by Thierry Lemoult
(Copyright Thierry Lemoult)Nuclear magnitude (m2) 14.5 Aperture radius used for m2 11 " r (dist/Sun) 1.289 AU d (dist/Earth) 0.369 AU Right ascension 22 54 12.31 h m s Declination +39 27 22.9 ° ' " Instrument AP 130EDFGT Instrument type Refractor Instrument aperture (0=naked eye) 130 mm Instrument focale length 820 mm Instrument focale/diameter 6.30 Filter(s) R (RGB) Camera ST8-XME Sensor CCD Sensor size 13.8x9.2 mm2 Sensor pixels number 1530x1020 Sensor temperature -10 °C Binning 1x1 Mount AP1200GTO Motorization No Autoguide No Exposure total time 540 s Exposure details 9x1mn Sky transparency (naked eye max mag) 6 Seeing 3 Air mass 1.02 Location 46120 Le Bourg (France) Reference stars catalog UCAC3 Used softwares PRISM Resulting picture sampling (scale) 2.26 "/pix Image processing Dark seulement Remarks or comments Ma premi?re mesure, m?thode incertaine. Observation submission date 2010 Dec 13 19h32m54s Observation modification date 2010 Dec 22 15h12m49s