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Sh2-86 (NGC-6820)

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M67 Open Cluster

Started by Dennis Persyk, 04/30/2004 09:22PM
Posted 04/30/2004 09:22PM Opening Post
Here I am with a new scope, no Hydrogen alpha filter that fits it, and a full moon. What a dilemma! I settled on M67 as a suitable target, assuming that the moonlight couldn’t ruin an open cluster too much. I average combined 21 one-minute exposures in the final image. One minute was as long as I could expose without the moonlight saturating the background with the fast f/3.3 E160 astrograph. Please take a look.

http://home.att.net/~dpersyk/new.htm

I welcome comments from everyone. Thanks for looking.

Clear skies,

Dennis Persyk
Igloo Observatory Home Page http://dpersyk.home.att.net
Hampshire, IL

Posted 04/30/2004 09:27PM #1
Wow Dennis,

like a box of jewels. I like yours better than the software's! The diffraction spikes are perfect on these clusters.

It's tough to have such problems as no h-alpha filter that fits! At least it gives the rest of us a chance to catch up.

Have a good weekend. Andy