Comet PANSTARRS C/2011 L4 low in NW sky on March 31, 2013. This is a stack of 6 x 60 second exposures with the Canon 200mm lens and 1.4x Extender for f/4 and Canon 60Da at ISO 1600, on the Kenko SkyMemo tracking platform.
Astronomy author and photographer Alan Dyer presents amazing sky sights
The Amazing Sky 