Seeing Red: Hunting Herschel's Garnet Star

Quick, what's the reddest star visible to the naked eye? Depending on your sky conditions, your answer may well be this week's astronomical highlight. (...)Read the rest of Seeing Red: Hunting Herschel's Garnet Star (1,018 words) © David Dickinson for Universe Today, 2013. | Permalink | No comment | Post tags: b-v index, Cepheus, herschel's