Thanks again for the detailed reply. Sometimes I just over look the obvious - - like max. ISO and max. shutter setting of 30 seconds. But using 'manual mode' only was a great tip. All I need now is a clear night to try it. Clear skies and thanks agai...
Kudoes to Tim C for a great explanation of the 60Da UV/IR filter and how it works for astroimaging. I have a 60Da and attach it to my Celestron 9.25 EdgeHD scope. There is a frustrating problem in bringing the 60Da to focus when mounted on the scope....