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I would agree with Raymo's comment about the redness of the full spectrum image. I have taken many shots of Eta Carinae and enjoyed the colours. I also shot Eta C Full Spectrum last night with my recently modded Canon 450D (the back filter is totally removed and not replaced; the front 1st pass filter was left in place for sensor protection). Shot through my 10" Imaging Newt from my observatory (on the pier), just three subs of 228 seconds each, used three darks and three offset/bias files and stacked in DSS. Conditions were pretty ordinary. Very similiar shot to yours.
When I first looked at it, I was suprised it was so red, compared to an identical shot taken at Bretti, but the cloud detail is better. It doesn't seem to be so over-powering on galaxies but the loss of the colour pallet is disappointing. How do the CCD guys do it,?
Last edited by glend; 15-03-2015 at 01:40 PM.
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