li 240i M26 6694

M26 Open Cluster

Roger NelsonLists, Messiers, Open Clusters, Portfolios

M26 Open Cluster Messier 26, also known as NGC 6694, is an open cluster of stars in the southern constellation of Scutum. Which lies between Aquila and Sagittarius. It was discovered by Charles Messier in 1764. This 8th magnitude cluster …

li 226i M25

M25

Roger NelsonGalaxies, Messiers, Open Clusters, Portfolios

M25 M25 or Messier 25, also known as IC 4725, is an open cluster of stars in the southern constellation of Sagittarius. The first recorded observation of this cluster was made by Philippe Loys de Chéseaux in 1745 and it …

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” …