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NGC 2345 — Open Cluster in Canis Major

Open Cluster Good (56/100)
Magnitude 7.7m OpenCluster Canis Major (CMa) Visible
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1Properties

Magnitude 7.7
Angular Size 6.9′
Cl, pL, pRi, gbM, st 10...14

Position & Identifiers

RA 07h 08m 18.8s
Dec -13° 11' 37.3"
Constellation Canis Major (CMa)
Catalog NGC 2345

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 Dec – Feb (peak: Jan)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 2345 · 6.9′ 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 2343
Easy
Rich open cluster
Open Cluster mag 6.7 2.6° Monoceros
NGC 2335
Easy
Open cluster
Open Cluster mag 7.2 3.2° Monoceros
NGC 2353
Easy
Open cluster
Open Cluster mag 7.1 3.3° Monoceros
C58
NGC 2360
Easy
Open cluster
Open Cluster mag 7.2 3.3° Canis Major
R CMa
Medium
Eclipsing binary, period 1.1d
Variable Star mag 5.70 4.2° Canis Major
NGC 2296
Hard+
Elliptical galaxy
Galaxy mag 13.0 6.0° Canis Major
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