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M101 4.5 hours RGB

Padraic M

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Here's the final version with proper calibration applied; sigma stacking to remove the sat trails, and using just the best 75% of subs. This is 39x300s subs for a total of 3hrs 15mins.


SW 150PDS, ASI533MC Pro @ -15c/gain 100/offset 21.

HEQ5 Pro mount, TS-Optics 50mm guide scope, ASI120MM Mini guide cam.

Captured with NINA and PHD2.

Processed with APP, Siril and Gimp.



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