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Nu Doradus — Star in Dorado

Magnitude 5.1m Star Dorado (Dor) Visible
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1Physical Properties

Magnitude 5.06
Spectral Type B8V
Star Color Blue-white (B-V -0.08)

2Position & Identifiers

RA 06h 08m 44.2s
Dec -68° 50' 36.0"
Constellation Dorado (Dor)
HR 2221
HIP 29134
HD 43107
SAO 249461
Bayer Nu
SIMBAD

3How easy to spot?

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Equipment Bortle 3 Bortle 4 Bortle 5
Naked eye Medium Hard+ Hard+
50mm finder Easy Easy Easy
150mm scope Easy Easy Easy
Easy Medium Hard Very hard Impossible

Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs

4Visibility

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Best season Nov – Jan (peak: Dec)

5Survey Image

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6

Size Comparison

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7

Compare Stars

8

Spectral Classification

9

Hertzsprung-Russell Diagram

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Read: The Hertzsprung-Russell Diagram — Reading Stars Like a Map
10

Stellar Lifecycle

11

Blackbody Spectrum

12

Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

13

Stellar Fusion

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 2172
Medium
Open cluster
Open Cluster mag 11.75 0.8° Dorado
NGC 2154
Hard+
Compact globular cluster
Globular Cluster mag 11.79 1.9° Dorado
NGC 2069
Medium+
Diffuse nebula
Diffuse Nebula mag 10.10 2.7° Dorado
Tarantula Nebula
NGC 2070
Medium+
Emission nebula — try an OIII filter
Emission Nebula mag 8.0 2.7° Dorado
Show on Map

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