M 92 globular cluster
M92_m.jpg (280223 Byte)

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SBIG ST10 E
L=20x15s 1xBin, R,G,B=5x15s 1xBin, 23.06.2002
Max Valier 80cm Cassegrain f/10 (equatorial mounted)
4800mm  f/6
SBIG Filter Set provided with the CFW8
4-lens Reducer custom made
average of 1.3 arc seconds
MaximDL LRGB composit, PS 5.5, CCDSharp
low transparency, near full moon, but TOP SEEING.
Philipp Keller, Georg Lercher and Dieter Seiwald

The image was not off-set guided. The accuracy of the mount is better than 0.2 arc seconds RMS in 5 minutes.

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