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NGC 2100 — Open Cluster in Dorado

Open Cluster Fair (39/100)
Magnitude 9.6m OpenCluster Dorado (Dor) Visible
Star Map
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1Properties

Magnitude 9.6
Angular Size 2.5′
glob. cl. , B, pL, irr R, rr

Position & Identifiers

RA 05h 42m 09.1s
Dec -69° 12' 42.5"
Constellation Dorado (Dor)
Catalog NGC 2100

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

Medium on Seestar S50

3Visibility

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Best season Nov – Jan (peak: Dec)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 2100 · 2.5′ diameter

5 Best Magnification

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6 Classification Decoder

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