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NGC 2010 — Open Cluster in Mensa

Open Cluster Fair (29/100)
Magnitude 11.7m OpenCluster Mensa (Men) Visible
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1Properties

Magnitude 11.72
Angular Size 1.9′ × 1.7′
Position Angle 170°
F, cL, R, vglbM

Position & Identifiers

RA 05h 30m 36.0s
Dec -70° 49' 00.0"
Constellation Mensa (Men)
Catalog NGC 2010

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 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 2010 · 1.9′ 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 2018
Medium
Emission nebula — try an OIII filter
Emission Nebula mag 10.89 0.3° Mensa
NGC 1987
Hard+
Compact globular cluster
Globular Cluster mag 12.0 0.3° Mensa
NGC 2031
Medium+
Open cluster
Open Cluster mag 10.83 0.3° Mensa
NGC 2038
Hard+
Open cluster
Open Cluster mag 11.92 0.4° Mensa
NGC 2051
Medium
Open cluster
Open Cluster mag 11.69 0.5° Mensa
NGC 2056
Medium
Open cluster
Open Cluster mag 11.77 0.5° Mensa
NGC 2069
Medium+
Diffuse nebula
Diffuse Nebula mag 10.10 2.0° Dorado
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