Deep-Sky Objects, Galaxies, Stars The Spring Triangle, the Mini Coathanger, and irregular galaxy NGC 4449
Deep-Sky Objects, Galaxies, Stars The Coma Berenices star cluster, the Stargate asterism, and spiral galaxy M99
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, Stars Twin stars Castor and Pollux, the 9–12 Geminorum Cluster, and the Eskimo Nebula
Deep-Sky Objects, Galaxies, Stars The extinct constellation Musca Borealis, open cluster Collinder 464, and spiral galaxy NGC 2403
Deep-Sky Objects, Stars The double star Alnitak, open cluster NGC 1817, and the Oyster Nebula (NGC 1501)
Deep-Sky Objects What are typical star-to-star distances in globular clusters compared to stellar distances in our region of the galaxy?
