Exoplanets, Planets, Solar System, The Sun What is the best and cheapest way to get into solar observing?
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)
