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Old 12-06-2006, 12:16 AM
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KenMiller KenMiller is offline
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Default Moon Interference

To what extent does a full moon interfere with imaging?
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Old 12-06-2006, 09:21 AM
pizwiz pizwiz is offline
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It interferes in a number of ways.
As a general rule, Planetary images are least affected.
But even here, objects too close to the moon can cause internal reflections in your optics.
For deep space objects things are more drastic.
The light will raise the background brightness of the sky.
If you are tring to see an object of Mag 11, and your sky background is mag 8, your object will be invisible.
During imaging it will limit your exposure times because the bright sky background will saturate the image, just like light pollution would. Filtering will not really help in this case since moonlight is reflected sunlight which covers the whole spectrum and thus cannot be selectively removed.
The above is rather simplistic, but I think it explains the basic problem.

Adolph
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