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| When I stack my light frames in DSS, the borders of the image are completely black /or in a completely different tone than the rest of the image. It's not like it happens just a bit, it covers an important part of the image, enough to spoil parts of the nebula. I didn't had this problem at the beginning, bit know is something that always happens when I stack. Please help |
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| DSS tries to use as many of the frames you register as possible. Unless they overlap perfectly you'll get areas of lower S/N around the edge. Try to make sure all your frames overlap properly. If you stack in intersection mode you'll get a pretty good idea of the extent of your overlap. |
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Post above is excellent. Did you plate solve your target for each of the nights? If not, you may have field rotation and it is normal that you could have a border. solution, crop it out. review individual light frames, and see if you stack a alien image, alien=something that should not be in the stack If you leave the border, you may be able to process the noise, but you will introduce other issues. 1- stack with intersection in dss 2- crop image border 3- wipe image of lp 4- develop strech histogram 5- process as usual clear skies |
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| Thanks!!! Clear skies |
