Rosettennebel NGC2237 in H-alpha

kein Vollbild


Object:      Rosette Nebula NGC2237

Date:        12.02.08

Location:    Oberes Schlierental 1450m ü. M.

SQM:         20.69m/s2  at 21.08UTC by -3°C and moon light
             20.82m/s2  at 21.32UTC by -4°C and moon light
             21.12m/s2  at 22.55UTC by -6°C and moon light
             21.40m/s2  at 23.40UTC by -6°C and moon down under

Telescope:   Vixen ED115mm Reducer f/5.2

Mount:       ALT-7

Autoguiding: SBIG STV
           
Camera:      Canon EOS 20Da

ISO speed:   1600

Filter:      H-alpha

Dark Frame:  Master-Dark at -6°C

Flat Frame:  Master-Flat at 90°USZ with Reducer

Exposure:    8 x 362s, total 48minutes


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