#21  
Old 18-09-2005, 07:02 PM
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Striker (Tony)
Whats visual Astronomy

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Yep...bit of dust Steve...lets just call it Tony's Dust hole...but then again lets not... that just sounds terrible...lol

So I hope you can see my point regarding what I mean about Low ISO's.
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  #22  
Old 18-09-2005, 07:08 PM
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[1ponders] (Paul)
Retired, damn no pension

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Hence the need for flat frames Tony. To help remove/counteract dustmotes and field curvature
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  #23  
Old 18-09-2005, 07:33 PM
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janoskiss (Steve H)
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A nice doughnut shaped dust particle.
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