Quote:
Originally Posted by rustigsmed
nice work marc,
glad to hear you got your system up and running after a few setbacks. i'm hoping to see first light on my "new" rig tomorrow / wednesday nights. I think i've been patient enough and would like to see something other than full moon or clouds....
just out of interest, how many more subs do you think you'll need to iron out the noise?
cheers,
Rusty
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Thanks Russel.

A lot. More than double the integration time. I'm at F/20 here which is ridiculous. It takes me 40s to have enough illumination to make a flatfield sub at approx. 8000ADU. I'm getting an 8" F/4 newt this week hopefully which will give me nearly the same field at F/8 and deeper at F/12 so I'm looking forward to that.