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Collinder 110 — Open Cluster in Monoceros

Open Cluster Fair (39/100)
Magnitude 10.8m OpenCluster Monoceros Visible
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1Properties

Magnitude 10.8
Angular Size 18 arcmin
Open Cluster

Position & Identifiers

RA 06h 38m 24.0s
Dec +02° 01' 00.0"
Constellation Monoceros
Catalog Cr 110

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Medium Hard+ Hard
150mm Newt. Easy Medium+ Medium
C8 203mm Easy Easy Medium+
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 Nov – Jan (peak: Dec)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

Collinder 110 · 18.0′ 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 2262
Medium+
Open cluster
Open Cluster mag 11.0 0.8° Monoceros
Collinder 96
Easy
Open cluster
Open Cluster mag 7.3 2.2° Monoceros
NGC 2282
Medium+
Emission nebula — try an OIII filter
Emission Nebula mag 10.00 2.2° Monoceros
Collinder 107
Easy
Open cluster
Open Cluster mag 5.1 2.7° Monoceros
Collinder 104
Easy
Open cluster
Open Cluster mag 9.2 2.8° Monoceros
Epsilon Mon
Easy
Easy double, sep 12.1″
Double Star mag 4.44 4.5° Monoceros
T Mon
Easy
Pulsating variable, period 27.0d
Variable Star mag 5.98 6.0° Monoceros
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