M31 Mosaic - Eight Frames of the Great Andromeda Galaxy

Equipment: 12.5" RCOS Ritchey-Chretien on a Software Bisque Paramount ME, FLI Proline PL-16803 and Nikon D810a

Exposure: Just over 29 hours total

An eight-frame LRGB mosaic of the Great Andromeda Galaxy. Grayscale data comes from an eight-frame mosaic totaling approximately 16 hours of luminance, combined with roughly 12.5 hours of RGB color across five frames covering the galaxy disk, plus a small amount of color borrowed from an earlier Nikon D810a exposure.

Taken remotely from Grapevine, Texas at the Conley Observatory, Comanche Springs Astronomy Campus (3RF) near Crowell, Texas. August 2019.