Search for: Welcome to Canterbury Astronomical Society › Forums › Topic Tag: Sun H-Alpha Solar Observing Photography Sunspot Prominence Viewing topic 1 (of 1 total) Topic Voices Posts Last Post Solar Observing Started by: Cameron McEwing Views: 50 in: Astronomy (Public Forum) 3 4 5 years ago Cameron McEwing Viewing topic 1 (of 1…
Read more