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Collinder 228 — Open Cluster in Carina

Open Cluster Excellent (61/100)
Magnitude 4.4m OpenCluster Carina Visible
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1Properties

Magnitude 4.4
Angular Size 14 arcmin
Open Cluster

Position & Identifiers

RA 10h 43m 60.0s
Dec -60° 05' 12.0"
Constellation Carina
Catalog Cr 228

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Easy Easy Easy
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 Jan – Mar (peak: Feb)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

Collinder 228 · 14.0′ diameter

5 Best Magnification

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 3372
eta Car nebula
Easy
Emission nebula — try an OIII filter
Emission Nebula mag 3.00 0.2° Carina
U Car
Easy
Pulsating variable, period 38.8d
Variable Star mag 6.11 1.8° Carina
NGC 3496
Easy
Open cluster
Open Cluster mag 8.2 1.9° Carina
NGC 3255
Medium+
Open cluster
Open Cluster mag 11.0 2.2° Carina
NGC 3519
Easy
Open cluster
Open Cluster mag 7.70 2.8° Carina
C91
NGC 3532
Easy
Rich open cluster
Open Cluster mag 3.0 3.0° Carina
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