Gary Imm

GaryI

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A backyard amateur astrophotographer enjoying retirement with my wife on beautiful Lake Livingston in Onalaska, Texas, about 90 minutes north of Houston.

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An open star cluster is an irregular group of stars all having the same recent origin, comprised of dozens to hundreds of young, hot stars mutually bound by gravitation. The gravitation forces within an open cluster are generally less than that of a globular cluster, so that over time the stars of an open cluster will eventually drift apart due to gravitational encounters with other clusters and clouds of gas as they orbit the Milky Way galactic center. There have been more than 1000 open clusters identified in our Milky Way galaxy.