Lagoon nebula last night.
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barry.armstead
Posted:
Sun May 27, 2007 11:39 am
Joined: 06 Jul 2006
Posts: 78
Location: canberra
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Lagoon nebula last night.
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Did this one last night.
10 x 30 second light frames at ISO 1600, 10 x darks removed, stacked and processed in deep sky stacker.
Celestron Nexstar 11, equatorial wedge alignment, Canon 400D, prime focus on a waxing gibbous moonlit night.
Also used one of those ambient light filters on the camera adapter. The resulting shot was a little darker, but way more detailed.
http://www.aussiepeople.com.au/asignobservatory/Astrophotography.aspx
Removing the darks seems to have made all the difference. Conversely, I opened the shutter on the same target and just let the telescope go with it's own tracking for fifteen minutes. (Fell asleep) Have a go at what it did! (Second image)
I have no idea how to refine this tracking. I'm thinking when I get the ED80 on top, I will have to guide manually.
Baz.
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