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DSS and Ha via a DSLR - Help Please


johnb
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Hi

I have some images taken with the kit in my signature and I have added a Ha 7nm filter

if I look at the raw image its pretty red (as expected)

Now what setting do I use in DSS to stack to produce a single Ha image, I assume the end result will be red ?, i see in the forum Ha images are often shown as monochrome ?

Oh they are 300 sec images

regards

John B

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The other thing to do once you have stacked the images is to extract just the red channel only and discard the green and blue. The G & B will just contain noise (maybe some faint signal) and the red channel will contain the Ha image. You then process the red channel as normal. - by extracting the red channel, this will give you the monochrome image

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