Smerral Posted April 21, 2022 Share Posted April 21, 2022 This morning's CaK sun, shot with the Altair Astro 102 ED-R (stopped down to 70mm) and Altair GPcam V2. Filter was the Lunt CaK B600. The full disc is a mosaic of 10 panes. The patchiness is due to me not getting my flats sorted yet. The close up was shot with a 1,5x barlow. 15/300 frames stacked. 3 Quote Link to comment Share on other sites More sharing options...
TerryMcK Posted April 21, 2022 Share Posted April 21, 2022 How are you doing your flats Brian? I do it with white cereal box plastic innards covering the scope and pointing at the sun. Quote Link to comment Share on other sites More sharing options...
Smerral Posted April 21, 2022 Author Share Posted April 21, 2022 3 hours ago, TerryMcK said: How are you doing your flats Brian? I do it with white cereal box plastic innards covering the scope and pointing at the sun. I do them in the same way Terry, but I have some plastic stretched over a home made cardboard frame. In this case the clingfilm I used was not opaque enough. Your idea sounds good though. I may try using that. 1 Quote Link to comment Share on other sites More sharing options...
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