Double Cluster in Perseus
NGC 869 and NGC 884: the double open cluster in the constellation Perseus.
Shot 27 September 2008; Rock Springs Parking Lot, Mt. Tamalpais State Park; ISO 800, Exp 6x2m, f/5.2, Canon EOS 5D & Televue NP127is. Calibration, alignment, & stacking with Images Plus 3.0; other post-processing with Photoshop CS2.
Copyright 1997-2017, by David Wilton