103P/Hartley (Record n° 822)
Orbital period : 6.48 years
NASA/JPL elements
IAU/MPC elements
On 2010 Aug 14 00h05 UT by Thierry Noel
(Copyright Thierry Noel)Nuclear magnitude (m2) 16.3 Aperture radius used for m2 9 " Tail position angle
(PA) 210 ° r (dist/Sun) 1.457 AU d (dist/Earth) 0.560 AU Instrument GSO JMLecleire Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1000 mm Instrument focale/diameter 5 Filter(s) None Camera SBIG ST7-XME Sensor CCD Sensor temperature -15 °C Mount Atlas-EQG Autoguide Yes Exposure total time 1800 s Exposure details 8x1mn+11x2mn Sky transparency (naked eye max mag) 5.5 Location Valdrome 26310 France Reference stars catalog UCAC3 Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.85 "/pix Image processing Astrometrica(-dark, /flat, add) + Iris(crop, levels, ddp) Remarks or comments Bad FWHM (6") Observation submission date 2010 Aug 15 02h46m43s Observation modification date 2010 Aug 30 22h56m17s