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Who ?
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SBIG ST10 ME
L=5x200s 1xBin, R,G,B=6x1m 2xBin
Pollux 0.8m azimutal mounted telescope
3557mm (=140 inch) f/4.44
SBIG Filter Set provided with the CFW8
3-lens Wynne corrector
average of 2.65 arc seconds
MaximDL LRGB composit, PS 5.5, CCDSharp
good transparency but below average seeing.
Philipp Keller and Christian Fuchs
One of the best known deep sky objects. The central star can be found by its blueish color
in the center of the nebula. The ultraviolett light of this white dwarf is the reason for
this nebula to glow. |
