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Subject: M 57
Author: Peter Rosén
Scope: WO FLT 110 APO F/6.5
Instruments:
  • Canon Eos 20D
Exposure time: stacked 17 exposures of 90 sec, total 25.5 minutes at 400 and 800 Asa.
Place & Seeing: Stockholm Sweden
Date: 23/March/2007
Remarks:

 

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