103P/Hartley (Record n° 1050)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 2010 Oct 06 23h25 UT by Thierry Noel
(Copyright Thierry Noel)Nuclear magnitude (m2) 12.7 Aperture radius used for m2 10 " Tail position angle
(PA) 210 ° r (dist/Sun) 1.103 AU d (dist/Earth) 0.159 AU Instrument GSO Jean-Marc Lecleire + reduct Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 750 mm Instrument focale/diameter 3.75 Camera SBIG ST7-XME Sensor CCD Sensor size 6.9x4.6 mm2 Sensor pixels number 765x510 Sensor temperature -15 °C Binning 1x1 Mount Atlas-EQG Autoguide Yes Exposure total time 7500 s Exposure details 25x30s Sky transparency (naked eye max mag) 4.5 Observatory MPC code B83 Location Gieres 38610 France Reference stars catalog USNOB1.0 Used softwares ASTROMETRICA Resulting picture sampling (scale) 2.5 "/pix Image processing Iris (-dark, /flat, add, ddp) Observation submission date 2010 Oct 09 01h09m51s Observation modification date 2010 Oct 12 22h37m49s