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NGC 6997 — Open Cluster in Cygnus

Open Cluster Good (51/100)
Magnitude 10.0m OpenCluster Cygnus (Cyg) Visible
Star Map
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1Properties

Magnitude 10.0
Angular Size 6.9′
Cl, P, lC, st L

Position & Identifiers

RA 20h 56m 39.5s
Dec +44° 37' 53.4"
Constellation Cygnus (Cyg)
Catalog NGC 6997

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Medium+ Medium 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

Easy on Seestar S50

3Visibility

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Best season Jun – Aug (peak: Jul)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 6997 · 6.9′ 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.

North America nebula
NGC 7000
Medium+
Emission nebula — try an OIII filter
Emission Nebula mag 4.00 0.5° Cygnus
Collinder 428
Easy
Open cluster
Open Cluster mag 8.7 1.2° Cygnus
NGC 7039
Easy
Open cluster
Open Cluster mag 7.6 2.7° Cygnus
NGC 7044
Medium+
Open cluster
Open Cluster mag 11.0 3.7° Cygnus
IC 1369
Easy
Rich open cluster
Open Cluster mag 6.8 4.1° Cygnus
W Cyg
Easy
Semi-regular variable, range 5.1–6.8
Variable Star mag 5.53 7.0° Cygnus
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