Subexposures:
24 x 240″ – Astrodon H-a 5nm filter
Target:
Andromeda Galaxy (Messier 31) in HaRGB.
Setup:
William Optics Star71 astrograph, Losmandy GM811G Mount, Orion .8x focal reducer, QHY5L-II-M guide camera, Orion TOAG, ZWO EFW8 filter wheel, ZWO ASI1600MM-Pro cooled monochrome camera.