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NGC 6400 — Open Cluster in Scorpius

Open Cluster Good (45/100)
Magnitude 9.0m OpenCluster Scorpius (Sco) Visible
Star Map
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1Properties

Magnitude 9.0
Angular Size 6.0′
Cl, pL, pRi, iR, st 9...10

Position & Identifiers

RA 17h 40m 12.8s
Dec -36° 56' 51.7"
Constellation Scorpius (Sco)
Catalog NGC 6400

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

Easy 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 6400 · 6.0′ diameter

5 Best Magnification

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6 Classification Decoder

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