M20

"The Trifid Nebula"

Constellation- Sagittarius

Right Ascension: 18h 02m 04s

Declination: -23° 02' 06"

Distance: 5200 light years

Visual Brightness: 9.0 mag

Apparent Dimension: 28.0 arc minutes

Image info:

Date- June 12, 2004

Telescope/Focal length/Camera- NexStar11 GPS @f/7.05, SBIG ST-8XE NABG @ -20C autoguided by CCDSoft Ver. 5.0

Integrations- LRGB, L = 13 x 240 seconds, RGB = 7 x 240 seconds each

Processing- Flats and darks, aligning and combining in CCDSoft Ver. 5.00, LRGB combination and unsharp mask in Photoshop 5.0