Howdy Dave
Thanks.
It doesnt appear on shots taken without the UHCS filter from what I can tell. Its on horsehead raw images but not pics taken without the uhcs filter from what I can see. It may be excess infra red light reflecting back from the filter,(if so will dissapear when I get the baader ir cut filter)
yes the cloud is a right royal pain in the butt. I might leave the NAS meeting tonight as soon as it finishes and get back into the imaging if its clear.
Scott
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