Comet PANSTARRS C/2011 L4 in dark twilight low in NW sky on March 28, 2013. This is a stack of 8 x 30 second exposures with the Canon 200mm lens at f/2.8 and Canon 60Da at ISO 800, on the Kenko SkyMemo tracking platform.
Astronomy author and photographer Alan Dyer presents amazing sky sights
The Amazing Sky 