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Old 16-07-2009, 11:49 PM
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nmo
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Join Date: Nov 2006
Location: Melbourne
Posts: 38
OK I finally got back to imaging when the clouds cleared tonight.

I've tried some new things tonight.
-1- I used the RAW settings on the camera
-2- I used the eq2 mount
-3- I used flat and bias feilds and that is where my problems start.

I beleive from the first shot that I need to be using flat feilds to fix the brightness however when I applied a flat feild it instantly overexposes the bottom courners of my image.
I can't seam to fix it with image editing and need some tips on making flat's or I was wondering if anyone has a Flat for a canon1000d with a 18 - 50mm lens set at 18mm?

ISO1600
30 second exposures
F3.5
RAW
18mm - 50mm canon lense at 18mm


20 lights
5 darks
6 flats
17 Bias frames

Stacked in DSS and edited in GIMP.

Any help appreciated.
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