Deep-Sky Objects, Galaxies, Stars The constellation Columba, globular cluster NGC 1851, and spiral galaxy NGC 1808
Deep-Sky Objects, Stars The Beehive Cluster (M44), open cluster M50, and the Rosette Nebula (NGC 2237–9/46)
Deep-Sky Objects The constellation Canis Minor, reflection nebula M78, and the Witch Head Nebula (IC 2118)
Deep-Sky Objects, Stars Twin stars Castor and Pollux, the 9–12 Geminorum Cluster, and the Eskimo Nebula
Deep-Sky Objects If space is only a few degrees above absolute zero, how can hot nebulae gases from exploded stars stay warm for a long time?
