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Gasman
Hi Guys
Still playing with this excellent software as the night skies over here in the UK have been terrible.
One thought I`ve had is I also use a 16bit Mono ccd which takes images in fits format.
This is a typical jpeg copy of a spectrum I took with the ccd and spectroscope, its actually Arcturus!. Software is used to breakdown the light/dark lines to show absorption and emission lines.
Now if I move the cursor along the spectrum the display shows the intensity in adu`s (analogue-digital units) and with a 16bit ccd each pixel can have upto 64k adu`s before its saturated, I try to get the exposure to give about 30000 to 40000 adu`s , any greater than 64k then the spectrum is saturated and not ideal for processing so I`m wondering how this can equate to dslr`s and raw files?.
I gather the only dslr intensity measure you have with BYNIKON is the Histogram so how would a `good` histogram compare with a `saturated` image histogram? does the histogram peak disappear?.
cheers
Steve
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