Hubble-Farbpalette an M57 bei 400mm f/9 mit STL-11000M

Vollbild


Object:      Ring Nebula M57

Date:        05.06.2010

Location:    Oberes Schlierental 1450m . M.

SQM:         21.18m/s2 at 06.01.2010/00:45UTC 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:      H-alpha, OIII, SII

Dark Frame:  -20°C

Exposure:    every 1800s filter H-alpha, OIII, SII
 


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