June 18, 2019

Astro-Challenge: The Changing (?) Colors of 95 Herculis.

I love double stars. While many a wispy nebulae are elusive and vanish at the first hint of light pollution, double stars tend to stand up well under the less than optimal viewing circumstances that plague most of us. Iíve pulled off many a moonless star party from light-polluted urban areas by adding bright double stars to the menu, a handy item to have in your repertoire when a decent planet is nowhere to be found. [Read more...]