NGC 6888 - The Crescent Nebula in Cygnus
by Bob and Janice Fera
Parallax Instruments 12.5" f/9 Ritchey Chretien
Yankee Robotics Trifid II 6303 CCD Camera
Astrodon HaLRGB filters
(L+Ha)(R+Ha)G(B+Ha) composite (L:60 Ha:60 RGB:50,50,50) processed in CCDops, MaxIm/DL (with RC-Astro plug-in), Gralak Sigma, and Adobe Photoshop
Taken June 25, 27, 29, 30, 2005 from Eagle Ridge Observatory, Foresthill, CA