The Great Andromeda Galaxy
Exposure: L = 6 x 5 min. (1x1), for each sub-frame. RGB each 6 x 5 min, (2x2)
Date: Sept 4 -13, 2007
This image is a mosaic made up of of two separate sub-frames (actually eight if we count all the separate Lum, R, G & B composite frames). The mosaic was created according to the procedure using CCDStack developed and published by Dean Salman.
© Don Scott
The Holin A. Grotch Observatory