The Cygnus Loop and Open Cluster NGC6940

Photographer
Bob Lockwood
Location of photo
Descanso,Ca.
Date/Time of photo
June15/16-2012
Equipment
Nikon 180ed lens open to f/5.6 Astro-Physics 900 GTOCP3. SBIG-STL6303E @-20c Guided by TV60 / SBIG-RGH
Description
Ha,Olll,RGB, 240-240-100-100-100, Ha to red-16x15min, Olll to blue & green- 16x15min. RGB-10x10min.ea. All (bin 1x1) The Cygnus Loop is a large supernova remnant (SNR) in the constellation Cygnus, an emission nebula measuring nearly 3° across. Some arcs of the loop are known as the Veil Nebula. The three main components of the Cygnus Loop consists of,  The Western Veil, NGC6960, C34. The Eastern Veil, NGC6992, C33. Pickering’s Triangle, NGC6979  Open Cluster NGC6940 is to the lower right.
Website
http://www.mynightsky.net
All comments must follow the Sky & Telescope Terms of Use and will be moderated prior to posting. Please be civil in your comments. Sky & Telescope reserves the right to use the comments we receive, in whole or in part, and to use the commenter’s username, in any medium. See also the Terms of Use and Privacy Policy.

COMMENT