I've been able to observe the Sun in the light of H-alpha for quite a few days consecutively. At the NEAF Solar Star Party on Saturday, the views were often astounding through Astro-Physics, Coronado, Tele Vue, and Zeiss refractors (some with binoviewers) equipped with either Coronado or Solar Spectrum H-alpha filters. My 40mm f/10 Coronado PST hardly compares to a $14,000 custom made double stacked 90mm f/10 Coronado SolarMax but it does get the job done. Every day but one has has had some notable filament or prominence activity but on Wednesday the prominences were simply incredible.
Dave Mitsky
Dave Mitsky
Chance favors the prepared mind.
De gustibus non est disputandum.
