Scott,
I commend you for sticking at it with Iris. I had another go at it yesterday at Ken's place (Big red telescope Ken, that is). I must admit that I have never met a more counter intuitive peice of software. We were trying to get Iris to do a Linear conversion of RAW files from Ken's Fuji S2 Pro. No matter what we tried, the best we got was a grey (all three channels identical), pre stretched file that we could only save as 8 bit tiff. His version contained no help file, which didn't. Frustration
Cheers
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Originally Posted by tornado33
Hi
fl of my 10 inch scope is 1400mm.
Yes thats right, converting to 16 bit tiff preserves all the information. Iris does the conversion linear, and does a damm good job with the dark subtraction, as one draws a small rectangle in an area of no stars in the light image, Iris then uses this to "optomise" the dark so that if the dark frame length is not the same as the light frame, or taken at a different temperature, it still subtracts the noise effectively. Down side is colour balance isnt automatic, it has to be set manually and is by trial and error till I get the right colour.
Scott
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