M 72

Scientific overview

M 72 is a globular cluster in the constellation Aquarius. It shines at apparent magnitude 8.96 and spans about 4.5 arcminutes of sky.

Difficulty

Small telescope

Recommended equipment

≈ 80–100 mm telescope

Best observed

Summer (evening sky)

Best hemisphere

Both (equatorial)

Guidance follows standard observing practice, derived from the object's real magnitude and position. A dark, moonless sky always helps.

RA / Dec

20.8911h / -12.5371°

Hemisphere

Both

Season

Summer

Object	Type	Mag	Size (′)
M 2M 2 · NGC 7089	Globular cluster	6.25	8.4
Helix NebulaC 63 · NGC 7293	Planetary nebula	7.3	16.33
Saturn NebulaC 55 · NGC 7009	Planetary nebula	8	0.7

Facts on this topic will be cited from these primary and reference sources.

OpenNGCOpenNGC (M. Verga) — NGC/IC, Messier, and Caldwell catalogue data
Openly-licensed deep-sky catalogue: object types, positions, magnitudes, sizes, morphology, and cross-identifiers.

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