Tag Archives: Hydrogen alpha

ISS Solar Transit 110712

Calsky sent me a email recently saying that the International Space Station (ISS) would be transiting the Sun on the 11th of July 2012 and it would be visible from my location on Anglesey. I bet Calsky isn’t based in … Continue reading

Posted in PhotosbyKev | Tagged , , , , | 1 Comment

PST Solarscope motorised focus

A simple mod for the Coronado PST Solarscope to motorise the focus so I can keep my hands off the PST Solarscope during the critical setting of the focus. It’s important to say that the PST Solarscope is completely unmodified … Continue reading

Posted in PhotosbyKev | Tagged , , , , , , , , , , , , , , , , , , , , , | Leave a comment

Solar Ha Imaging

The photographs below show the sun in the Hydrogen-alpha (H-a) bandwidth using a PST Stage 2 Lyra Optic 4″ f/11 refractor modified for H-a imaging captured with DMK41 and DMK21 mono CCD cameras and sometimes a 2.5x Powermate for the … Continue reading

Posted in PhotosbyKev | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , | 6 Comments