Messier 13 - Focus DSO for May 2005  
8" f/4 Newtonian, DSI Pro w/IR block,16x15 sec. exposures for luminace, 10x15 sec. @ for RGB.

8" f/4 Newtonian, DSI Pro w/IR block,16x15 sec. exposures for luminace, 10x15 sec. @ for RGB.(Steve Bell)


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