Sun in Ha

In order to carry out observations and photography of the sun in the Hα line, the Televue Pronto is equipped with a Coronado SolarMax II 60-mm Hα filter with RichView Tuning and 15-mm block filter. The ZWO ASI 178MC is used here as a fast camera with high time resolution (10 - 30 msec). Recording is done with the FireCapture software, the final images being produced using AutoStakkert.