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NGC 220 — Open Cluster in Tucana

Open Cluster Fair (29/100)
Magnitude 11.0m OpenCluster Tucana (Tuc) Visible
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1Properties

Magnitude 11.0
Angular Size 1.2′
F, iR, vgbM, 1st of several

Position & Identifiers

RA 00h 40m 30.0s
Dec -73° 24' 00.0"
Constellation Tucana (Tuc)
Catalog NGC 220

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 Aug – Oct (peak: Sep)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 220 · 1.2′ 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 222
Medium+
Open cluster
Open Cluster mag 11.0 0.0° Tucana
NGC 231
Hard+
Open cluster
Open Cluster mag 12.0 0.1° Tucana
NGC 242
Hard+
Open cluster
Open Cluster mag 12.0 0.2° Tucana
NGC 176
Hard+
Open cluster
Open Cluster mag 12.0 0.4° Tucana
NGC 265
Hard+
Compact globular cluster
Globular Cluster mag 12.0 0.5° Tucana
NGC 406
Hard+
Barred spiral galaxy
Galaxy mag 12.0 4.1° Tucana
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