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Old 09-11-2013, 09:50 AM
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coldlegs (Stephen)
Chopped its rear end off!

coldlegs is offline
 
Join Date: Jul 2009
Location: adelaide, sth aust
Posts: 331
Quote:
Originally Posted by cfranks View Post
Stephen,

When taking Flats, you don't rotate the camera wrt the optics. That defeats the purpose of Flats. I take > 50 Flats (per filter) and calibrate/stack them to get the Master Flat. I use a similar setup to yours over the end of my ~ 12" tube but I rotate the EL panel a couple of times during the series to reduce any unevenness in the light.

Charles
Charles
You rotate the camera to test the evenness of the flat field itself not to take flats for correcting images.
Just out of curiosity what size EL panel are you using to cover a 12" scope?
Cheers
Stephen
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