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IC 4996 — Open Cluster in Cygnus

Open Cluster Good (45/100)
Magnitude 7.3m OpenCluster Cygnus (Cyg) Visible
Star Map
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1Properties

Magnitude 7.3
Angular Size 6.0′
Cl, st 8...13

Position & Identifiers

RA 20h 16m 33.3s
Dec +37° 33' 19.1"
Constellation Cygnus (Cyg)
Catalog IC 4996

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

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

IC 4996 · 6.0′ diameter

5 Best Magnification

Explore

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.

Crescent Nebula
NGC 6888
Medium
Emission nebula — try an OIII filter
Emission Nebula mag 10.0 1.2° Cygnus
RS Cyg
Easy
Mira-type variable, range 6.5–9.5
Variable Star mag 6.50 1.3° Cygnus
M29
NGC 6913
Easy
Rich open cluster
Open Cluster mag 6.6 1.7° Cygnus
NGC 6883
Easy
Open cluster
Open Cluster mag 8.0 2.0° Cygnus
NGC 6871
Easy
Rich open cluster
Open Cluster mag 5.2 2.8° Cygnus
Collinder 419
Easy
Open cluster
Open Cluster mag 5.4 3.2° Cygnus
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