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Would it be possible to filter out the pollution by subtracting an out of focus image from the in focus one? The pollution is already spread out while the stars
by A_No_Name_Mouse 9y ago
Would it be possible to filter out the pollution by subtracting an out of focus image from the in focus one? The pollution is already spread out while the stars are point light sources. So wouldn't that leave the stars untouched while greatly reducing the light pollution?
- vlasev 9y agoAll you need to do is make a copy of your image, blur that copy enough to get rid of the stars, and then subtract it from the other image. It's going to affect larger structures like the milky way, though.