News
H-alpha: Dedicated solar scope or add filter to existing scope?
www.cloudynights.com
› topic › h-alph...
Newbie Ha Solar Scope Questions please - Stargazers Lounge
stargazerslounge.com
› ... › Observing - Solar
Tim Brightbill Discusses Final Solar Scope Ruling by Commerce
www.wiley.law
› printpilot-news-Tim-Brig...
sorted by relevance / date