Celestial hemisphere:  Northern  ·  Constellation: Serpens (Ser)  ·  Contains:  IC 4537  ·  M 5  ·  NGC 5904  ·  The star 5Ser
M5 Globular Cluster in Serpens, Jerry Macon
M5 Globular Cluster in Serpens
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M5 Globular Cluster in Serpens

M5 Globular Cluster in Serpens, Jerry Macon
M5 Globular Cluster in Serpens
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M5 Globular Cluster in Serpens

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UNGUIDED
CDK20: FL 2280mm,  F/4.5,  0.34 arcsec/pixel raw
97% MOON

Messier 5 or M5 (also designated NGC 5904) is a globular cluster in the constellation Serpens.

M5 is, under extremely good conditions, just visible to the naked eye as a faint "star" near the star 5 Serpentis. Binoculars or small telescopes will identify the object as non-stellar while larger telescopes will show some individual stars, of which the brightest are of apparent magnitude 12.2.

M5 was discovered by the German astronomer Gottfried Kirch in 1702 when he was observing a comet. Charles Messier also noted it in 1764, but thought it a nebula without any stars associated with it. William Herschel was the first to resolve individual stars in the cluster in 1791, counting roughly 200.

Spanning 165 light-years in diameter, M5 is one of the largest known globular clusters. The gravitational sphere of influence of M5, (i.e. the volume of space in which stars are gravitationally bound to it rather than being torn away by the Milky Way's gravitational pull) has a radius of some 200 light-years.

At 13 billion years old, M5 is also one of the eldest globular clusters in the Milky Way Galaxy. Its distance is about 24,500 light-years from Earth, and it contains more than 100,000 stars, as many as 500,000 according to some estimates.
[Wikipedia]

My Collections:
Abell Planetary Nebulae (Complete)
Galaxies
Messier Objects
Planetary Nebulae
Sharpless 2 Objects

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M5 Globular Cluster in Serpens, Jerry Macon

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Messier Objects