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NGC 1801 — Open Cluster in Dorado

Open Cluster Fair (29/100)
Magnitude 12.2m OpenCluster Dorado (Dor) Visible
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1Properties

Magnitude 12.16
Angular Size 2.2′ × 1.9′
Position Angle 160°
F, pL, R, vglbM, p of 2

Position & Identifiers

RA 05h 00m 34.5s
Dec -69° 36' 49.3"
Constellation Dorado (Dor)
Catalog NGC 1801

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Hard V. hard+ V. hard
150mm Newt. Medium Hard+ Hard
C8 203mm Medium+ Medium Hard+
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

NGC 1801 · 2.2′ 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 1793
Hard+
Open cluster
Open Cluster mag 12.41 0.1° Dorado
NGC 1828
Hard
Open cluster
Open Cluster mag 12.52 0.4° Dorado
NGC 1835
Easy
Compact globular cluster
Globular Cluster mag 9.8 0.4° Dorado
NGC 1804
Hard+
Open cluster
Open Cluster mag 11.87 0.5° Dorado
NGC 1756
Hard+
Open cluster
Open Cluster mag 12.24 0.6° Dorado
IC 2105
Hard+
Diffuse nebula
Diffuse Nebula mag 11.30 1.1° Dorado
NGC 2018
Medium
Emission nebula — try an OIII filter
Emission Nebula mag 10.89 3.0° Mensa
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