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NGC 2111 — Open Cluster in Mensa

Open Cluster Fair (29/100)
Magnitude 12.4m OpenCluster Mensa (Men) Visible
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1Properties

Magnitude 12.45
Angular Size 1.5′ × 1.4′
Position Angle 60°
vF, S, R, gbM

Position & Identifiers

RA 05h 44m 33.0s
Dec -70° 59' 35.9"
Constellation Mensa (Men)
Catalog NGC 2111

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. V. hard+ V. hard V. hard
150mm Newt. Hard+ Hard Hard
C8 203mm Medium Hard+ 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 2111 · 1.5′ 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 2107
Medium+
Open cluster
Open Cluster mag 11.0 0.4° Mensa
NGC 2121
Medium
Compact globular cluster
Globular Cluster mag 11.2 0.6° Mensa
NGC 2134
Medium+
Open cluster
Open Cluster mag 11.0 0.6° Mensa
NGC 2051
Medium
Open cluster
Open Cluster mag 11.69 0.7° Mensa
NGC 2056
Medium
Open cluster
Open Cluster mag 11.77 0.7° Mensa
NGC 2018
Medium
Emission nebula — try an OIII filter
Emission Nebula mag 10.89 1.1° Mensa
NGC 2069
Medium+
Diffuse nebula
Diffuse Nebula mag 10.10 2.1° Dorado
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