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NGC 2156 — Open Cluster in Dorado

Open Cluster Fair (29/100)
Magnitude 11.4m OpenCluster Dorado (Dor) Visible
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1Properties

Magnitude 11.38
Angular Size 2.1′
pB, S, R, gbM, 1st of 3

Position & Identifiers

RA 05h 57m 49.7s
Dec -68° 27' 38.9"
Constellation Dorado (Dor)
Catalog NGC 2156

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Hard+ Hard V. hard+
150mm Newt. Medium+ Medium Hard+
C8 203mm Easy 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 2156 · 2.1′ diameter

5 Best Magnification

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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 2164
Easy
Open cluster
Open Cluster mag 10.0 0.1° Dorado
NGC 2159
Medium
Open cluster
Open Cluster mag 11.38 0.2° Dorado
NGC 2160
Hard+
Open cluster
Open Cluster mag 12.16 0.2° Dorado
NGC 2172
Medium
Open cluster
Open Cluster mag 11.75 0.3° Dorado
NGC 2154
Hard+
Compact globular cluster
Globular Cluster mag 11.79 1.2° Dorado
NGC 2069
Medium+
Diffuse nebula
Diffuse Nebula mag 10.10 1.8° Dorado
Tarantula Nebula
NGC 2070
Medium+
Emission nebula — try an OIII filter
Emission Nebula mag 8.0 1.8° Dorado
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