M31 under the dark skies of the Coconino Plateau in northern Arizona. Seventy minutes of 30" exposures of Andromeda on 2020-09-14. William Optics RedCat 250/51mm Petzval refractor and ZWO ASI533MC cooled astrophotography camera. Controlled by a ZWO ASIAir Pro. All on a single axis Vixen Polarie mount. Reprocessed 12/2022 with the BlurXTerminator, NoiseXTerminator, and StarXTerminator plugins in Pixinsight with drizzle stacking and final exposure adjustment in Photoshop.