Old 16-09-2018, 07:51 PM
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Dark sky rules !

skysurfer is offline
Join Date: Dec 2011
Location: 52N 6E (EU)
Posts: 1,150
Nice nightscape stacker found

When stacking rectangular wide angle nightscape frames (such as a Samyang 14mm wide angle on a full frame body), a common problem is that the stars in the corners are not properly stacked.

I opened a topic in the 'Astrophotography' subforum on dpreview.com and asked the question.
I got as answer to use 'Starry Landscape Stacker' (SLS) for macOS (only available in the App Store for $44, about A$60) and tried it. With success.

Note: BEFORE stacking with SLS load all RAWs (SLS does not accept RAWs but it does 16 bit TIFFs) in Adobe Raw and crank its brighness up somewhat so it recognizes stars in the corners.
Maybe (I did not test it yes) this trick also works when stacking with DSS or Siril, but these two apps don't 'freeze' the foreground.

Maybe an idea for nightscape shooters as I see many on this forum ?
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