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Old 06-04-2006, 06:28 PM
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EzyStyles (Eric)
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KeyHole Nebula (Focal Reduced)

Here's a shot with Bert's focal reducer. Bigger field than my previous Keyhole's. However, the stars diffractional spikes are now 2 than 6 but the image looks more real. Exposure time has been reduced down to only 42 second anything higher i get over exposed with bright white patches.

Hope you guys like it.
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Old 06-04-2006, 06:54 PM
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So it works! Well done Ezy. What do you reckon the reduction is?
It looks to me about 0.6 ???
Yep as I calculated from the distances you gave me.

Bert
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Last edited by avandonk; 06-04-2006 at 07:38 PM.
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Old 06-04-2006, 10:41 PM
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EzyStyles (Eric)
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I say around 0.6 also. Normally it takes me 1 minute and 42 sec until i get over exposure with the ETA. now only takes me 42 sec. Thanks Bert, i like the pic you did for comparison. hey good business proposition now
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