The region around the famous Lagoon- and Trifid nebulaes could be seen here in H-alpha light. This shot was taken with an SBIG STL11000 and a Takahashi FSQ106ED 530mm/f5 without any converter. Ha 13nm filter was used from Astronomik. Exposure times were 5 mins with the filter.
SBIG STL-11000,Takahashi FSQ106ED self guided via Zeiss mount located in Hakos, some drift error, large error to the focal area due bad coupling of the STL
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