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Zeta Apodis — Star in Apus

Magnitude 4.8m Star Apus (Aps) Visible
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1Physical Properties

Magnitude 4.78
Spectral Type K2-III
Star Color Orange (B-V 1.21)
Distance 233 ly

2Position & Identifiers

RA 17h 21m 59.4s
Dec -67° 46' 14.0"
Constellation Apus (Aps)
HR 6417
HIP 84969
HD 156277
SAO 253882
Bayer Zeta
SIMBAD

3How easy to spot?

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Equipment Bortle 3 Bortle 4 Bortle 5
Naked eye Medium+ Medium 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 May – Jul (peak: Jun)

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

Discover

14

Light Travel Time Machine

15

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 6362
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 8.3 1.2° Ara
NGC 6392
Hard+
Bright spiral galaxy
Galaxy mag 12.27 2.8° Apus
Atria
HIP 82273; Alpha Trianguli Australis
Easy
Bright naked-eye star, mag 1.9
Star mag 1.92 3.3° Triangulum Australe
Kappa Pav
Medium+
Variable star, range 3.9–4.8
Variable Star mag 4.44 9.0° Pavo
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