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pramarama t1_ja3qu4b wrote

Is this picture one of the 3600 that happened to be the sharpest one, or is this a composite made from all 3600?

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dcw259 t1_ja3rz2i wrote

There's no way to get a single 1-second exposure to look that good with any amateur telescope, maybe even any man-made telescope at all

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Zanhard t1_ja3sw3q wrote

It's a combination of all 3600 pictures assembled together using a method called rejection stacking in order to reduce noise.

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