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Nu Indi — Star in Indus

Magnitude 5.3m Star Indus (Ind) Visible
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1Physical Properties

Magnitude 5.29
Spectral Type A3V:+F9V
Star Color White (B-V 0.65) (reddened by dust)
Distance 105 ly

2Position & Identifiers

RA 22h 24m 36.8s
Dec -72° 15' 20.0"
Constellation Indus (Ind)
HR 8515
HIP 110618
HD 211998
SAO 258033
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 Jul – Sep (peak: Aug)

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

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14Stellar Notes

Sep. 0.100".
Weak CN bands. Nitrogen underabundant relative to the Sun by a factor of about 1000.
15

Light Travel Time Machine

16

Relativistic Travel

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 7123
Hard+
Bright spiral galaxy
Galaxy mag 12.45 3.3° Indus
SX Pav
Medium
Semi-regular variable, range 5.4–6.0
Variable Star mag 5.34 5.3° Pavo
Delta Tuc
Easy
Easy double, sep 6.8″
Double Star mag 4.48 7.3° Tucana
NGC 104
47 Tuc
Easy
Large bright globular cluster
Globular Cluster mag 4.0 9.1° Tucana
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