Quote:
Originally Posted by kosborn
Thanks all,
Yes it was difficult, and I'm not entirely happy with the result. I collected about 12 hours of data and discarded 3 hours, mostly due to misregistered flats (I suspect it was dew on the primary and I still don't have my head around dew control with a Newtonian). The SNR isn't good so it needed more subs I think. The 10"Newt is great (thanks Diego) but I might give it another try with the Esprit to see how a wider field of view changes things.
Kevin
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Hi Mate, where you running the fan when the primary Dew'd up?