Gregg Ruppel
Image taken:
Oct. 14, 2010
Location:
Ellisville, MO, USA
Details:
Comet Hartley was moving rapidly against the background starfield. I guided on the comet head and took 5 minute exposures in RGB. ASA 10N astrrograph + STL11000 CCD. Also applied a Larson-Sekanina rotational gradient filter.
 
©2013, SpaceWeather.com -- This site is penned daily by Dr. Tony Phillips.