William Herschel

Messier 13: Hercules Globular Cluster

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great hercules cluster,m13,hercules globular cluster

Messier 13 (M13), also known as the Great Globular Cluster in Hercules, is a globular cluster located in Hercules constellation. It is one of the brightest and best known globular clusters in the northern sky. The cluster has an apparent magnitude of 5.8 and lies at a distance of 22,200 light years, or 6,800 parsecs, from Earth. Its designation in the New General Catalogue is NGC 6205.
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Messier 10

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ngc 6254,m10,globular cluster

Messier 10 (M10) is a rich, bright globular cluster located in the constellation Ophiuchus. It lies at a distance of 14,300 light years from Earth and has an apparent magnitude of 6.4. Its designation in the New General Catalogue is NGC 6254.
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Messier 9

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ngc 6333,globular cluster

Messier 9 (M9) is a globular cluster located in the southern constellation Ophiuchus. It has the designation NGC 6333 in the new General Catalogue. The cluster lies at a distance of 25,800 light years from Earth. With an apparent magnitude of 8.42, it is too faint to be seen with the naked eye.
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Messier 8: Lagoon Nebula

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m8,lagoon nebula,ngc 6523

Messier 8 (M8), also known as the Lagoon Nebula, is a large, bright emission nebula located in the constellation Sagittarius. The star-forming nebula has an apparent magnitude of 6.0 and lies at a distance of 4,100 light years from Earth. It has the designation NGC 6523 in the New General Catalogue.
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Messier 5

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m5,ngc 5904

Messier 5 (M5) is a bright globular cluster located in the northern constellation Serpens. It lies at a distance of 24,500 light years from Earth, in the galactic halo of the Milky Way. It has the designation NGC 5904 in the New General Catalogue.

With an apparent magnitude of 6.65, Messier 5 can be seen without binoculars, but only under extremely dark skies and it only appears as a faint star near the star 5 Serpentis. Binoculars will reveal the object to not be a star, but a fuzzy patch of light, and small telescopes will show a bright glowing core.
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Messier 4

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m4,ngc 6121,globular cluster

Messier 4 (M4) is a bright globular cluster located in the southern constellation Scorpius. It lies at an approximate distance of 7,200 light years from Earth and has an apparent magnitude of 5.9. The cluster has the designation NGC 6121 in the New General Catalogue.
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Messier 3

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m3,ngc 5272,globular cluster

Messier 3 (M3) is a globular cluster located in the constellation Canes Venatici, the Hunting Dogs. It is one of the brightest, largest globular clusters in the sky. M3 has an apparent magnitude of 6.2 and is approximately 33,900 light years distant from Earth. It has the designation NGC 5272 in the New General Catalogue.
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Messier 2

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m2,globular cluster

Messier 2 (M2) is a globular cluster located at an approximate distance of 37,500 light years from Earth, well beyond the galactic centre. The cluster lies in the direction of Aquarius constellation. It is one of the largest known clusters of its kind in the night sky, spanning about 175 light years in diameter. It has the designation NGC 7089 in the New General Catalogue.
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