I revisited an old favorite for my first quick test with my new Takahashi FSQ-106EDX4.
23 x 600 second integrations, Baader Hydrogen-Alpha filter, FSQ-106EDX4 @ f/5, SBIG ST-8300 with FW5 filter wheel, processed with PixInsight.
Posted inAstronomy Astrophotography
IC434 Horsehead and Flame Nebulas in Hydrogen Alpha