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NGC 1940 — Open Cluster in Dorado

Open Cluster Fair (29/100)
Magnitude 11.9m OpenCluster Dorado (Dor) Visible
Star Map
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1Properties

Magnitude 11.91
Angular Size 1.2′
pB, vS, R, bM, 2 st 9 & 10 f

Position & Identifiers

RA 05h 22m 43.7s
Dec -67° 11' 11.8"
Constellation Dorado (Dor)
Catalog NGC 1940

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 Medium
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 1940 · 1.2′ diameter

5 Best Magnification

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6 Classification Decoder

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