Quote:
Originally Posted by White Rabbit
Just curious what the maximum FWHM is before you chuck an image.
I've notice with my own images that they can start out in the early evening at about 2.15 and as the night goes on it can get as high as 5.6.
I normally chuck anything above 4.5, just wonder what you do?
Cheers
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Looks like you might get out of focus as temperature drops. 2.5/3 is good. Anything over 4 is not good.