NGC6888, The Crescent Nebula in Cygnus, 1st July 2008, L+H,R+H,G,B
Luminance 18 x 180 secs, Halpha 8 x 360 secs, Red 6 x 180 secs, Green 6 x 240 secs, Blue 6 x 360 secs (Total = 3.0hrs)
Full size (2184 x 1472 pixels) (1.4 Mbytes)