I turned up the person who actually made the image, and their choice for how they made this image makes me confused: https://twitter.com/GrumpyOldAstro/status/

I turned up the person who actually made the image, and their choice for how they made this image makes me confused: https://twitter.com/GrumpyOldAstro/status/1396370610368831490?s=20 https://twitter.com/GrumpyOldAstro/status/139637061036883149... Essentially, they chose to multiply any light from all of the frames.