M57

"The Ring Nebula"

Constellation- Lyra

Right Ascension: 18h 53m 47s

Declination: +33° 02' 20"

Distance: 4100 light years

Visual Brightness: 8.8 mag

Apparent Dimension: 1.4x1.0 arc minutes

Date- August 6, 2004

Telescope/Focal length/Camera- Nexstar 11 GPS@ f/10, ST-8XE NABG @ -10C autoguided in CCDSoft Ver. 5.00

Integrations- LRGB, L = 10 x 240 seconds binned 1x1, RGB = 5 x 240 seconds each, binned 2x2

Processing- Flats and darks, combined and aligned in CCDSoft Ver 5.0, and color combined in Astroart 2.0

Sharpened and cropped about 50% in Photoshop 5.0.