Sky Tonight—February 3, Double Cluster of Perseus in

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org To find the gorgeous Double Cluster in the constellation Perseus, face north to northwest as darkness falls this evening. Here you can find the Double Cluster in the constellation Perseus. These are two open star clusters, known as “H” and “Chi” Persei (also called NGC 884 and 869). How to find them? First, you need a dark sky. Second, you may need binoculars, as the Double Cluster is only faintly ... Full Story