M57 Ring Nebula





IMAGE INFORMATION OBJECT INFORMATION
Telescope C9.25 on AP1200GTO Designation M57
Focal Length F/10 2350mm Position RA: 18:53 Dec:+33 :02
Guiding Sbig remoter eFinder Type Panetary Nebula
Control MaximDL Magnitude 10
CCD Camera Sbig ST2000XM Size 76"
Image Scale .8 arcsec Distance 1140 Light Years
Filters AstroDon LRGB Constellation Lyra
Exposures 7 x 5min 1x1, 5 x 4min ea RGB    
Calibration Flats, Bias, darks    
Software MaximDL, Photoshop CS2    
Date August 2008    
Imaged in Nicholasvile, Ky