li 201i M9 6333

M9

Roger NelsonGlobular Clusters, Log Book, Messiers, NGC Objects, Portfolios

M9 Messier 9 or M9 (also designated NGC 6333) is a globular cluster in the constellation of Ophiuchus. It is positioned in the southern part of the constellation to the southwest of Eta Ophiuchi, and lies atop a dark cloud of dust designated Barnard 64. The cluster was discovered by French …

li 893 MG 1111 e1707875854330

M8

Roger NelsonLists, Log Book, Messiers, Nebulas, NGC Objects, Portfolios

M8 The Lagoon Nebula (catalogued as Messier 8 or M8, NGC 6523, Sharpless 25, RCW 146, and Gum 72) is a giant interstellar cloud in the constellation Sagittarius. It is classified as an emission nebula and as an H II …

li 200i M7 6475

M7

Roger NelsonLog Book, Messiers, NGC Objects, Open Clusters, Portfolios

M7 Messier 7 or M7, also designated NGC 6475 and sometimes known as the Ptolemy Cluster, is an open cluster of stars in the constellation of Scorpius. The cluster is easily detectable with the naked eye, close to the “stinger” …

li 839 MG 0819

M4

Roger NelsonGlobular Clusters, Lists, Messiers, NGC Objects, Portfolios

M4 Messier 4 or M4 (also designated NGC 6121) is a globular cluster in the constellation of Scorpius. It was discovered by Philippe Loys de Chéseaux in 1745 and catalogued by Charles Messier in 1764. It was the first globular …