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NGC 7142 — Open Cluster in Cepheus

Open Cluster Fair (36/100)
Magnitude 9.3m OpenCluster Cepheus (Cep) Visible
Star Map
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1Properties

Magnitude 9.3
Angular Size 9.6′
Cl, cL, cRi, pC, st 11...14

Position & Identifiers

RA 21h 45m 09.5s
Dec +65° 46' 27.8"
Constellation Cepheus (Cep)
Catalog NGC 7142

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Easy 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 Jul – Sep (peak: Aug)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 7142 · 9.6′ diameter

5 Best Magnification

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6 Classification Decoder

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