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NGC 6624 — Globular Cluster in Sagittarius

Globular Cluster Good (54/100)
Magnitude 8.3m GlobularCluster Sagittarius (Sgr) Visible
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1Properties

Magnitude 8.3
Angular Size 3.3′
glob. cl. , vB, pL, R, rrr, st 16

Position & Identifiers

RA 18h 23m 42.0s
Dec -30° 22' 00.0"
Constellation Sagittarius (Sgr)
Catalog NGC 6624

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Easy Easy Easy
150mm Newt. Easy Easy Easy
C8 203mm Easy Easy Easy
Easy Medium Hard Very hard Impossible

Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs

Medium on Seestar S50

3Visibility

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Best season May – Jul (peak: Jun)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 6624 · 3.3′ diameter · N up, E left

5 Best Magnification

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6 Classification Decoder

Nearby in the Sky

Other targets within a few degrees — pan your scope a little and keep exploring.

Visibility scores assume a 150 mm Newton at Bortle 4.

M69
NGC 6637
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 7.6 2.6° Sagittarius
NGC 6569
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 8.7 2.6° Sagittarius
NGC 6558
Medium
Globular cluster — dense ball of ancient stars
Globular Cluster mag 11.29 3.2° Sagittarius
NGC 6652
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 8.9 3.7° Sagittarius
RS Sgr
Medium+
Eclipsing binary, period 2.4d
Variable Star mag 6.16 4.0° Sagittarius
NGC 6520
Easy
Open cluster
Open Cluster mag 8.0 5.1° Sagittarius
Eta Sgr
Hard
Easy double, sep 3.5″
Double Star mag 3.11 6.5° Sagittarius
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