NGC 6888 - The Crescent Nebula
Ha-RGB image of the Planetary nebula in Cygnus, surrounding a Wolf-Rayet star.
A planetary nebula is a shell of gas that has been shed by a star late in its lifetime.
Mouse Over Image for Ha Only
Magnitude: 10, Surface Brightness: 15.49, Dimension: 20'x
10', RA: 20h 12m 9s, Dec: +38 20' 9"
|Optics||Celestron 80ED @ f/7.5, guided with an 8" LX200 Classic @ f/5.9|
|Camera||Starlight Xpress SXV-M7|
|Filter||Astronomik 13mm H-Alpha, Astronomik RGB II, IDAS LPR|
|Exposure||Ha : 21 - 10 minute subs, RGB: 60 min. each, combination of 5 and 8 min. subs.|
|Processing||Acquired in AstroArt3, DDP. , final work in Photoshop7|
|Location||Elk Grove, CA|
|Notes||Seeing and transparency average.|