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NGC 2383 — Open Cluster in Canis Major

Open Cluster Good (48/100)
Magnitude 8.4m OpenCluster Canis Major (CMa) Visible
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1Properties

Magnitude 8.4
Angular Size 4.2′
Cl, pS, pmC, st 12

Position & Identifiers

RA 07h 24m 39.9s
Dec -20° 56' 51.4"
Constellation Canis Major (CMa)
Catalog NGC 2383

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

Medium 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 2383 · 4.2′ 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 2384
Easy
Open cluster
Open Cluster mag 7.4 0.1° Canis Major
NGC 2367
Easy
Open cluster
Open Cluster mag 7.9 1.4° Canis Major
NGC 2421
Easy
Open cluster
Open Cluster mag 8.3 2.7° Puppis
29 CMa
Hard+
Eclipsing binary, period 4.4d
Variable Star mag 4.98 3.9° Canis Major
NGC 2409
Medium+
Open cluster
Open Cluster mag 7.30 4.1° Puppis
Tau CMa
Medium
Hot blue O-type star
Double Star mag 4.40 4.2° Canis Major
NGC 2438
Hard+
Planetary nebula — try an OIII filter
Planetary Nebula mag 10.0 7.4° Puppis
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