Hubbles Veränderlicher Nebel bei 400mm f/9 mit STL-11000M

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Object:      Hubbles Variable Nebula NGC2261

Date:        25.01.09

Location:    Oberes Schlierental 1450m . M.

SQM:         21.28m/s2  at 21:35UTC by -8°C
             21.34m/s2  at 23:05UTC by -9°C

Telescope:   Astrooptik Keller Cassegrain 400mm f/9

Mount:       ALT-7

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

Filter:      Luminance, Red, Green, Blue

Dark Frame:  -30C

Exposure:    9x600s Luminance, every 2x600s RGB, total 150minutes
 


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