Comet 103P/Hartley

86. Comet 103P/Hartley


Position not available. Multiple objects or no NGC/IC designation

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Comet Hartley 2, designated as 103P/Hartley by the Minor Planet Center, is a small periodic comet with an orbital period of 6.46 years. It was discovered by Malcolm Hartley in 1986 at the Schmidt Telescope Unit, Siding Spring Observatory, Australia. Its diameter is estimated to be 1.2 to 1.6 kilometres (0.75 to 0.99 mi).Hartley 2 was the target of a flyby of the Deep Impact spacecraft, as part of the EPOXI mission, on 4 November 2010, which was able to approach within 700 kilometers (430 mi) of Hartley 2 as part of its extended mission. As of November 2010 Hartley 2 is the smallest comet which has been visited. It is the fifth comet visited by spacecraft, and the second comet visited by the Deep Impact spacecraft, which first visited comet Tempel 1 on 4 July 2005.
 
Supplementary Data or Comments

Click here for a short video of 103P/Hartley moving past the double cluster.


Main Image Information

Location Burlington IN
Date Oct 7 2010
Optics AstroTech AT8IN
Filters Baader MPCC
Mount Celestron CGE
Camera Canon/Hutech 500DH
ISO 1600
Subexposures 1
Exposure Length 60
Guider Stellarvue Nighthawk II/ST-4
 

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All images copyright © 2006-2021, Rick Saunders
Main text descriptions sourced from Wikipaedia.
Sky position information is based on IP geolocation and is therefore approximate.