the lighter areas around the stars are because of the light being smeared by the dew on the secondary I think, they are noticeable right from the word go.. even before the subs are stacked...

Yeah, remember the humidity levels up here are pretty dramatic, coupled with the moderately low temperatures at the moment, dew is crazy... Everything was dripping wet when I packed it in at around 11pm... Shame too.. Wanted to have a crack at the Helix..
Anyways.. Heres number 2 and 3...
Omega Cent.
30x1min Darks/bias applied
M8
50x1min darks and flats...