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NGC 1859 — Open Cluster in Dorado

Open Cluster Fair (29/100)
Magnitude 12.3m OpenCluster Dorado (Dor) Visible
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1Properties

Magnitude 12.26
Angular Size 1.5′
F, S, R, vgbM, *7 nf 6'

Position & Identifiers

RA 05h 11m 31.8s
Dec -65° 14' 58.9"
Constellation Dorado (Dor)
Catalog NGC 1859

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. V. 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 1859 · 1.5′ 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 1866
Easy
Open cluster
Open Cluster mag 9.8 0.3° Dorado
NGC 1831
Medium+
Open cluster
Open Cluster mag 11.0 0.6° Dorado
NGC 1892
Hard+
Bright spiral galaxy
Galaxy mag 12.29 0.7° Dorado
NGC 1882
Hard+
Open cluster
Open Cluster mag 12.33 1.0° Dorado
NGC 1805
Easy
Open cluster
Open Cluster mag 10.0 1.3° Dorado
NGC 1868
Medium
Compact globular cluster
Globular Cluster mag 11.57 1.3° Dorado
NGC 1763
Medium+
Emission nebula — try an OIII filter
Emission Nebula mag 9.40 1.9° Dorado
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