StarGuide
Image Processing
PixInsight Basic Functions

Overlay of 2 Images

updated
2024-11-10


Suppose you have two images open in PixInsight, one called Stars and the other Nebula (as an identifier).

Then open PixelMath (Process > PixelMath) and enter the following formula


Stars + Nebula


in PixelMath and click on the blue rectangle to perform the operation. The resulting image is an overlay of the two source images.


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