Ringnebel M57 bei 400mm f/9 mit STL-11000M

Vollbild


Object:      Ring Nebula M57

Date:        28.07.09

Location:    Oberes Schlierental 1450m . M.

SQM:         21.42m/s2 at 23:15UTC by 11°C

Telescope:   Astrooptik Keller Cassegrain 400mm f/9

Mount:       ALT-7

Autoguiding: Second chip in SBIG STL-11000M
           
Camera:      SBIG STL-11000M

Filter:      Luminance, H-alpha, Red, Green, Blue

Dark Frame:  -25C

Exposure:    6x600s Luminance, 4x900s H-alpha, 
             every 3x600s RGB, total 210minutes
 


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Letzte Änderungen: 4. August 2009, Webmaster