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NGC 2145 — Open Cluster in Mensa

Open Cluster Fair (29/100)
Magnitude 12.1m OpenCluster Mensa (Men) Visible
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1Properties

Magnitude 12.07
Angular Size 1.5′
F, lE, r

Position & Identifiers

RA 05h 54m 23.1s
Dec -70° 54' 03.6"
Constellation Mensa (Men)
Catalog NGC 2145

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Hard V. hard+ V. hard
150mm Newt. Medium Hard+ Hard
C8 203mm Medium+ Medium Hard+
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 2145 · 1.5′ diameter

5 Best Magnification

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6 Classification Decoder

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