Horse-head Nebula in Hydrogen-Alpha Light.
Astro-Physics 305mm Honders Astrograph + Alluna Optics RC16
SBIG STX16803, FW5, Baader 7nm H-alpha filter. Self guide mode.
Exposure 16x 600 second subs.
Paramount PME and PMEII
Copyright Peter J Ward 2014/2016
