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Old 21-12-2012, 01:47 AM
wayne anderson (Wayne)
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Join Date: Jan 2010
Posts: 339
Sneaky Spider NGC 2070

If you live near the Sunshine Coast QLD you would have been frustrated with the hopeless conditions for imaging lately, clouds and bush fire smoke everywhere.

The Solution, I set up the scope and briefly through the clouds and bushfire smoke focused the camera on NGC 2070 then it clouded over for the next 5 hours so I decided to sneak up on the spider by setting the camera on auto taking 25 second subs all night while I went to sleep for the night. I was hoping that sometime through the night I would get some useful subs.

When I woke up in the morning I checked the 500 shots taken on the camera 420 were totally wasted but 80 were usable (this is one advantage of cloud dodging shorter subs), so a quick stack with no darks or flats and processing revealed this result.

80 X 25sec subs ISO1600 (33mins in total) No darks or flats
12” LX 200 (alt/az setup no guiding)
Sony Nex-3 Camera

I can only imagine what may have resulted if all 500 subs were useful, can’t wait for clear skies.
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