Monthly Archives: September 2016

This is a mosaic of 18 separate panels taken through an H-Alpha filter with the Rokinon 135mm f2.0 lens piggy backed on the Celestron C11 telescope.  Each panel was produced by stacking 20 images comprised of 5 and 10 minute exposures.  The total exposure time was 45 hours.  The picture includes the Veil Nebula, North American Nebula, Pelican Nebula, TulipContinue reading “Mosaic of the Cygnus Region of the Milky Way”