further on Stellacam
To add a little bit further to the discussion, I have a Stellacam 3 and have not done any imaging to date, but for visual observing I have found it very good. I use it with an Eq mounted 150mm F5 Newtonian (compact and easy to transport), and find I use the longer integration times (say 10-30 seconds typically and sometimes longer) almost all the time for DSOs. At this aperture, a 2.5s limit would really restrict its usefulness for observing, so you might want to do some calculations if you planned to use a Gstar or Stellacam2 mainly for observing on a smaller aperture scope.
Cheers,
Andrew
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