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NGC 4052 — Open Cluster in Crux

Open Cluster Good (45/100)
Magnitude 9.0m OpenCluster Crux (Cru) Visible
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1Properties

Magnitude 9.0
Angular Size 5.1′
Cl, pRi, lC

Position & Identifiers

RA 12h 02m 05.2s
Dec -63° 13' 24.6"
Constellation Crux (Cru)
Catalog NGC 4052

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

Easy on Seestar S50

3Visibility

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Best season Feb – Apr (peak: Mar)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 4052 · 5.1′ 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 4103
Easy
Open cluster
Open Cluster mag 7.0 2.0° Crux
NGC 4349
Easy
Open cluster
Open Cluster mag 7.4 2.9° Crux
IC 2944 C
Easy
Rich open cluster
Open Cluster mag 4.5 2.9° Centaurus
Lambda Centauri Nebula
IC 2944
Medium+
Emission nebula — try an OIII filter
Emission Nebula mag 4.5 3.0° Centaurus
C97
NGC 3766
Easy
Rich open cluster
Open Cluster mag 5.3 3.4° Centaurus
Epsilon Mus
Hard+
Semi-regular variable, range 4.0–4.3
Variable Star mag 4.11 5.0° Musca
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