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Lovejoy is surely bright enough with your biggish scope to allow tracking the stars for 30 sec subs, and getting sharp stars and comet. I used ISO 1600. I took a 90 sec sub at ISO 6400 with no sign of a tail, so it must be extremely faint.
raymo
Last edited by raymo; 10-01-2015 at 01:25 PM.
Reason: more text
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