NGC 5139 - Omega Centauri
This is the largest globular cluster in our galaxy. It is usually too far south to get a good image from North America....but I was able to shoot this while visiting Chiefland Astronomy Village in Florida.
Taken on April 29th, 2011
50 x 1min at ISO1600
Orion 10" F4.7 Newtonian with MPCC coma corrector
modded Canon XSI with IDAS LPS filter
Atlas EQ-G with EQDIR