Looking for a sky event this week? Check out our full Sky This Week column.  October 16: The Moon rises with Regulus Rising higher as the evening progresses is the constellation Perseus, perhaps most famous for its so-called Demon Star, the variable star Algol. But the Hero hosts many other treasures, including M34, a bright open cluster Continue reading "The Sky Today on Friday, October 17: Catch open cluster M34" The post The Sky Today on Friday, October 17: Catch open cluster M34 appeared first on Astronomy Magazine .