Heart & Soul Nebulae in HSO
The Heart Nebula (IC 1805, left) and Soul Nebula (right) are emission nebulae in the constellation of Cassiopeia at a distance of c. 7,500 light years. Acquisition: William Optics GT81, WO Flat 6AIII 0.8x reducer, ZWO ASI1600MM-Cool, Atik EFW2, Astronomik Ha, OIII, SII 1.25″ Mount/Guiding: Orion ST80, QHY 5, PHD2, Sky-Watcher NEQ6, EQMod, Sequence Generator …