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Double Stack Full Disk – 13th May

14 May 18

Adding a second etalon to the Lunt LS50 solar telescope through ‘double stacking’ has the effect of increasing contrast on the solar disk as a result of reduced continuum leakage in the wings of the Hydroge Alpha centreline.

It gives an alternative take on the single stack view. Taken with the PGR Chameleon 3 camera.


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