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Messier 3
Messier 3 is a globular cluster made up of around half a million stars found in the constellation Canes Venatici. This type of cluster acts like a satellite to its parent galaxy, orbiting above the galactic plane rather than being located in the galaxy's disk like the less dense open clusters. Clusters like this are common, M3 is one of about 150 globular clusters that belong to the Milky Way galaxy, not many compared to the amount that belong to some galaxies, there are over 13,000 globular clusters orbiting the supergiant elliptical galaxy M87 for example. Messier 3 is thought to be around 8 billion years old, but like all globs, how they form exactly is still unknown.
Exposure Details:
126*300sec, f7, ISO 800
Total Exposure: 10.5 hours
Imaged over 2 nights: 20th, 21st April
Scope: Altair Astro 115EDT
Camera: Canon 600Da
Mount: NEQ6
Messier 3
Messier 3 is a globular cluster made up of around half a million stars found in the constellation Canes Venatici. This type of cluster acts like a satellite to its parent galaxy, orbiting above the galactic plane rather than being located in the galaxy's disk like the less dense open clusters. Clusters like this are common, M3 is one of about 150 globular clusters that belong to the Milky Way galaxy, not many compared to the amount that belong to some galaxies, there are over 13,000 globular clusters orbiting the supergiant elliptical galaxy M87 for example. Messier 3 is thought to be around 8 billion years old, but like all globs, how they form exactly is still unknown.
Exposure Details:
126*300sec, f7, ISO 800
Total Exposure: 10.5 hours
Imaged over 2 nights: 20th, 21st April
Scope: Altair Astro 115EDT
Camera: Canon 600Da
Mount: NEQ6