Annals of the Deep Sky Volume 11

Volume 11: Gemini, Grus, Hercules, Horologium, Hydra

In Volume 11, we delve into the celestial smorgasbord found in the constellations Gemini, Grus, Hercules, Horologium, and Hydra. Featured objects include the open cluster M35 in Gemini, as well as the strange case of NGC 2371-72, one of the most unusual examples of a planetary nebula. The southern constellation Grus contains IC 5148, a large planetary nebula with an unusual inner-tube-like morphology, as well as the grand design, multi-armed spiral galaxy NGC 7424, which contains a number of enigmatic radio and X-ray sources. Hercules hosts the great globular clusters M13 and M92, of course, and imagers will want to target Abell 2151, the rich Hercules Cluster that links up with the Great Wall of galaxies. Horologium contains the remarkable star Gliese 1061, a solar neighbor harboring a planetary system. And don’t forget to check out the globular cluster NGC 1261 and the stunning Seyfert galaxy NGC 1433. Finally, Hydra’s showcase object is the Southern Pinwheel Galaxy, M83; other attractions include the face-on multiarm spiral galaxy NGC 2835 and the spectacular pair NGC 3314A and B — two entwined galaxies with different orientations.