M6 and M7 area, field oriented equatorially, with Hutech-modified Canon 5D camera with 135mm f/2 Canon L lens at f/3.2 for 4 minutes each at ISO400. Stack of 4 exposures, averaged stacked. Taken from Coonabarabran, NSW, Australia, July 2006.
M6 and M7 area, field oriented along Milky Way, with Hutech-modified Canon 5D camera with 135mm f/2 Canon L lens at f/2.8 for 3 minutes at ISO400. Single exposure. Taken from Coonabarabran, NSW, Australia, July 2006.
The two Messier open clusters, M7 (left), Ptolemy's Cluster, and M6 (right), the Butterfly Cluster. M7 is embedded in the bright star clouds of the Milky Way while M6 is in the dark lanes. I shot this March 30/31 from Coonabarabran, NSW, Australia, using the Borg 77m astrographic refractor (330mm focal length) at f/4.3 using a stack of 5 x 8 minute exposures with the filter-modified Canon 5D Mark II at ISO 800.
