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Sh2-86 (NGC-6820)

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Trifid RCOS 12.5 inch

Started by gregbradley, 07/31/2005 09:54AM
Posted 07/31/2005 09:54AM | Edited 07/31/2005 09:54AM Opening Post
This is about it without guiding and this image could do with more exposure but it turned out OK.

RCOS 12.5 inch. MI 250 mount, William Optics 80/480 triplet as a finder scope.

12 x 30 and 45 seconds unguided, 1 x 60 seconds.

The RCOS is mostly collimated but the secondary needs a slight adjustment.

Images Plus for stacking and Nikon Capture Editor for levels etc. My backyard observatory, Sydney.

Greg.

Attached Image:

gregbradley's attachment for post 25816