Andromeda Galaxy – M31
Andromeda Galaxy – M31
Really quick evening before clouds rolled in I got a capture of our nearest neighboring galaxy. Andromeda is slightly larger than the milky way galaxy, and is expected to collide with the milky-way… but not in the near future.
Equipment
Telescope: Celestron RASA 8 (400mm focal @ f/2)
Filters: Baader Ultra-Highspeed F/2 3.5nm & 4nm Ha, Sii, Oiii 2″ Filters
Main Camera: ZWO ASI 1600mm-pro Monochrome
Mount: Skywatcher EQ6r-Pro
Guide Scope: William Optics 50mm Uniguide
Guide Camera: ZWO ASI 290mm-mini
Location
Location: Pendleton, Oregon
Observatory: NexDome 2.4m Automated
Bortle: 3-4
Long & Lat: 45.67N, -118.79 W
Shoot Parameters
Ha: 36x60″
Oiii Filter: 44×60″
Sii Filter: 54×60″
Calibration Bias: 40
Calibration Dark: 20
Calibration Flat: 20
Integration Time: ~2.2 hours total
Gain: 139 (unity)
Cooling: -20
Processing Software: Astro Pixel Processor, StarXTerminator, NINA, PHD2, Photoshop CC