There are many favourite summer globular clusters, and we will start with two in Scorpius.
Observing globular clusters visually is very rewarding, but I have noticed very few images in my collection of those sent in to the BAA website --so if you are an imager, why not have a go, and send me your results.
Globular clusters are popular visual targets and three visual renditions, each using different drawing techniques, are shown here.
M15 is interesting in that it is one of the few globular clusters known to contain a planetary nebula.
Understanding the formation and composition of globular clusters may provide vital information about the evolution of our galaxy, more distant star systems and, perhaps, the universe as a whole, scientists assert.
Many of the new observations focus on M15, a dense globular cluster located about 42,000 light-years from Earth in the constellation Pegasus.
Moreover, by 1975, researchers had discovered that the cores of 10 globular cluster orbiting the Milky Way emit intense X-rays -- radiation that could be generated by matter falling onto a black hole fixed at the precise center of each cluster.
The two greatest globular clusters lie in the southern hemisphere, Omega Centauri and 47 Tucana.
html) and the current view is that this massive globular cluster, one of the oldest objects in the Milky Way, may be a dwarf galaxy stripped of its outer stars.