Thanks Merlin
Here is my 900nc test shot of the moon attached to WO3" 480mm refracter. I cannot bring it into focus with a 2x barlow therefore it looks small. Can't remember how many frames stacked may be 600? Another shot with my 12"LB plus 2x barlow was posted here:
http://www.iceinspace.com.au/forum/s...ad.php?t=34830
Cheers