Taken by jp-brahic on March 11, 2015 @ Refractor 230mm special H-Alpha F/D 11.2, PST MOD 1A° , Basler ACA1300-30 , Seeing 6/10
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Sun in H-Alpha
Taken by jp-brahic on March 11, 2015 @ Refractor 230mm special H-Alpha F/D 11.2, PST MOD 1A° , Basler ACA1300-30 , Seeing 6/10
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