Quote:
Originally Posted by RickS
I have been testing with gain 200 and getting good results with 30 second subs even in narrowband, but I'm working at f/3.6 or faster and taking a *lot* of subs. I haven't done the sums yet to figure out if I'm sky limited but the core of M42 is burned out in a 30 second Ha sub...
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My guess is it got burned out a lot sooner than 30 seconds
