Starlight Xpress HX916 10" LX200 Classic @ f/6.3, STV-guided with piggybacked Stellarvue Nighthawk @ f/6 (480 mm). Astronomik 13 nm H-alpha filter, 18 x 600 seconds and 1 x 1800 seconds, binned 2x2. Acquired with Astroart 3.0, aligned in AIP4WIN ver 1.4, and sigma combined in Ray Gralak's pre-beta-11. Resolution 1.75 arc-sec/pixel. Mirror-lock bolt used (Scopestuff.com).
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