Quote:
Originally Posted by tropterrarium
Thanks for the flowers! exposure stacking for noise reduction, I presume, not HDR. I haven't used that much, AffinityPhoto has some nice features in that regard. AffinityPhoto also has a pretty decent stacking option, though Heliconfocus and ZereneStacker are still better. Mark Levoy has some really good digital imaging lectures; see
Digital Photography
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Noise reduction is goal #2. Goal #1 is increased exposure. You don't collect much light in AP, so by stacking multiple exposures, you get additional exposure on distant stars and dim galaxies or nubula etc... It increases the SNR.
Again, really amazing photos!