Orion Nebula - H-alpha version
Exposures: 18x900 sec
Foto: TS ED-APO 90/500 mm with QHY9M @ -30°C, Astrodon 6 nm H-alpha filter
Guiding: Celestron SLT 102/660 mm with Atik 16ic with UHC Filter
Mount: EQ-6 Pro with EQMOD
Stacking: DSS

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