Solar images from December 2011
The photographs below show the sun in the Hydrogen-alpha (H-a) bandwidth using a PST Stage 1 Lyra Optic 4″ f/11 refractor modified for H-a imaging captured with a DMK41 mono CCD camera and sometimes a 2.5x Powermate for the closeup detail.
The development of the Lyra Optic 4″ f/11 H-a Solarscope can be seen here
A short tutorial for processing the Hydrogen Alpha photographs can be read on this page
Solar images from December 2011, taken using the excellent Daves Solar System Recorder software (DSSR) which is now available as a beta release for public use.
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