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NGC 2180 — Open Cluster in Orion

Open Cluster Fair (31/100)
Magnitude 9.0m OpenCluster Orion (Ori) Visible
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1Properties

Magnitude 9.00
Angular Size 4.2′
Cl, pRi, lC, st L and S

Position & Identifiers

RA 06h 09m 36.0s
Dec +04° 43' 00.0"
Constellation Orion (Ori)
Catalog NGC 2180

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

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 2180 · 4.2′ diameter

5 Best Magnification

Explore

6 Classification Decoder

Nearby in the Sky

Other targets within a few degrees — pan your scope a little and keep exploring.

Visibility scores assume a 150 mm Newton at Bortle 4.

NGC 2186
Easy
Open cluster
Open Cluster mag 8.7 1.0° Orion
Collinder 92
Easy
Open cluster
Open Cluster mag 9.3 3.3° Orion
Epsilon Mon
Easy
Easy double, sep 12.1″
Double Star mag 4.44 3.5° Monoceros
Collinder 91
Easy
Open cluster
Open Cluster mag 7.8 3.8° Monoceros
Betelgeuse
HIP 27989; Alpha Orionis; 58 Orionis
Medium+
Semi-regular variable, range 0.4–1.3
Variable Star mag 0.50 4.5° Orion
Rosette nebula
NGC 2239
Easy
Rich open cluster
Open Cluster mag 4.80 5.3° Monoceros
Rosette Nebula
NGC 2237
Medium+
Emission nebula — try an OIII filter
Emission Nebula mag 6.0 5.6° Monoceros
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