Rosette Nebula in a

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Rosette Nebula in a "modified" Hubble palette

QSI 583ws Camera and Borg 77 ED telescope at f/4.3. Astrodon 3nm Ha,OIII,and SII filters
AP 900 mount. SX Loadstar autoguiding camera.
19 X 20 min subs Ha @ -20. 10 X 20 min subs OIII @ -25. 11 X 20 min subs SII @ -25. 1X1
Frames acquired with MaxIm DL 5, calibrated and combined in CCD Stack2. Final processing in ImagesPlus 5.0.
Stardust Ranch;
http://stardustranch.org/

other sizes: small medium large original auto

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