This 9.25 minute exposure was made on the evening of October 3, 2008. This image shows the center two thirds of the galaxy and one of it's two large satellite galaxies (lower right). The Andromeda galaxy contains an estimated one trillion stars.

FS-152, prime focus (f8), Nikon D300, RAW file processed in Nikon Capture NX 2.1. Autoguiding via DMK Image Source camera, Nikon 300mm ED-AF Nikkor lens, PHD guide.

PTG 2008