Thread: Lunt 80mm Ha scope immediate observations
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Old 12-08-2012, 01:49 PM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
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Peter,
The Coronado PST and the SM front etalons will also allow you to chase the doppler shift.
The "design" position of the etalon is in the red wing and tuning moves it through Ha and into the blue wing.
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