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Collinder 74 — Open Cluster in Orion

Open Cluster Good (44/100)
Magnitude 8.6m OpenCluster Orion Visible
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1Properties

Magnitude 8.6
Angular Size 6 arcmin
Open Cluster

Position & Identifiers

RA 05h 48m 40.0s
Dec +07° 21' 30.0"
Constellation Orion
Catalog Cr 74

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 Nov – Jan (peak: Dec)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

Collinder 74 · 6.0′ 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.

Betelgeuse
HIP 27989; Alpha Orionis; 58 Orionis
Medium+
Semi-regular variable, range 0.4–1.3
Variable Star mag 0.50 1.6° Orion
Meissa
Lambda Ori (BS1879)
Easy
Easy double, sep 4.1″
Double Star mag 3.54 4.2° Orion
Lambda Orionis Cluster
Easy
Open cluster
Open Cluster mag 2.8 4.2° Orion
NGC 2141
Easy
Open cluster
Open Cluster mag 9.4 4.7° Orion
NGC 2180
Easy
Open cluster
Open Cluster mag 9.00 5.8° Orion
NGC 2186
Easy
Open cluster
Open Cluster mag 8.7 6.1° Orion
NGC 2071
Medium+
Diffuse nebula
Diffuse Nebula mag 8.00 7.1° Orion
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