Andromeda Galaxy, M31 taken by Randy Light of College Station

Posted by Randall Light on Oct 21, 2020

Andromeda Galaxy, M31 taken by Randy Light of College Station on 10/15/2020 with a Nikon D810A camera through a Nikon 600mm f/4 at f/4. Twenty five exposure of 120 seconds at ISO 3200 The lens was mounted on an Astro-Physics Mach1..

The images were processed with Pixinsight and Photoshop CC.

There was 50 minutes of total exposure at f/4. This is equivalent to 200 minutes of exposure at f/8.