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moondog

North American Nebula

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Image from 29th July.

Canon 350D with 90 - 300mm zoom lens piggybacked on the TAL.

200mm zoom F6.3 @ 1600 ISO. 20 subs total 16 1/2 mins, darks and bias. Processed in ImagesPlus and PS

image.jpg

Click to enlarge

MD

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Very nice indeed MD.

I have just bought one of those lenses can't wait to use it...

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Great capture MD 8)

Out of interest does it show up much on the individual subs?

Never had a go at it yet and I realise it's a big object but how bright?

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I have just bought one of those lenses can't wait to use it...

Jamie - I'm surprised how little CA there is with the lens as it's not one of the Canon APO zooms.

Out of interest does it show up much on the individual subs?

Phil - It needs a lot of stretching to see anything on the subs. I process my subs in ImagesPlus which has an excellent Digital Development routine which seems to extract a lot of good data from faint subs. I use PS for stretching the final stacked image.

MD

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