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NGC 6704 — Open Cluster in Scutum

Open Cluster Good (45/100)
Magnitude 9.2m OpenCluster Scutum (Sct) Visible
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1Properties

Magnitude 9.2
Angular Size 3.3′
Cl, B, 60 st 13

Position & Identifiers

RA 18h 50m 45.8s
Dec -05° 12' 19.4"
Constellation Scutum (Sct)
Catalog NGC 6704

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Easy Easy Medium+
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 6704 · 3.3′ diameter

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.

R Sct
Easy
Mira-type variable, range 4.5–8.2
Variable Star mag 5.20 1.0° Scutum
M11
Wild Duck Cluster
Easy
Rich open cluster
Open Cluster mag 5.8 1.1° Scutum
NGC 6683
Easy
Open cluster
Open Cluster mag 10.0 2.3° Scutum
NGC 6712
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 8.2 3.5° Scutum
M26
NGC 6694
Easy
Open cluster
Open Cluster mag 8.0 4.4° Scutum
NGC 6664
Easy
Open cluster
Open Cluster mag 7.8 4.6° Scutum
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