November 18, 2017

Waiting for Mercury: Tales of Transits

Our humble station.

There’s another insidious danger that awaits unwary solar astronomers.

This coming Monday on May 9th, the planet Mercury transits the fair face of our host star as seen from our Earthly vantage point. Unlike, Venus, Mercury is tiny, meaning amateurs everywhere will be scrambling to make solar filters for their telescopes this weekend. [Read more...]