The globular cluster M 4

Image of M 4
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 28 arcminutes across.
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From Cambridge , M 4 is not observable – it will reach its highest point in the sky during daytime and is no higher than 13° above the horizon at dawn.

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Name M 4
Object Type Globular Cluster
Other Names
NGC 6121
Mel 144
Magnitude:5.40 (V) [3]
Right ascension:16h23m [2]
Declination:-26°31' [2]
Distance:2.2 kpc
7.2 klyr [1]
Derived Quantities
Absolute mag (V):-6.31
28 May 2020  –  M4 is well placed
28 May 2021  –  M4 is well placed
28 May 2022  –  M4 is well placed
28 May 2023  –  M4 is well placed
28 May 2024  –  M4 is well placed
28 May 2025  –  M4 is well placed
28 May 2026  –  M4 is well placed
28 May 2027  –  M4 is well placed




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