Click on image for full size version.
Exposure: RGB 3x20:3x20:3x20 minutes
RGB Combine Ratios: 2.27:1.00:1.26
Telescope: Stellarvue SV80S @ f/4.9
Mount: Meade LX200 w/ super wedge
Camera: SBIG ST-2000XM CCD, SBIG CFW-8
Location: My backyard in Goleta, CA
Date/Time: August 27/28, 2003, 21:36-00:44 PDT
Processing: Taken and reduced in CCDSoft v5. Combined
with Ray Gralak's Sigma Clip. Curves/levels applied in
Unsharp mask in Photoshop.
Notes: First attempt at a straight RGB. Could have used
exposure. An LRGB probably would have worked better. Lots
stars - RegiStar counted 23761 stars!
Name: NGC 6992, The Veil Nebula, The
Type: Supernova remnant
Distance: 1400 light years
Angular Diameter: 230' x 160' (total
- About the Veil Nebula:
The Veil Nebula is what is left after a red
went supernova some 5000 years ago. The star threw off a large
of matter that has been speeding away from the star at about 70
Shown above is the eastern portion of a large circle of gas. The
entire Veil Nebula covers an area over five times that of the full moon.