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Delta Apodis — Star in Apus

HIP 80057; Delta2 Apodis

Magnitude 5.3m Star Apus (Aps) Visible
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1Physical Properties

Magnitude 5.27
Spectral Type K3III giant
Star Color Red (B-V 1.41)
Distance 163 ly

2Position & Identifiers

RA 16h 20m 26.8s
Dec -78° 40' 02.0"
Constellation Apus (Aps)
HR 6021
HIP 80057
HD 145388
SAO 257381
Bayer Delta2
SIMBAD Wikipedia

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 Apr – Jun (peak: May)

5Survey Image

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Explore

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

14Stellar Notes

Physical pair with HR 6020.
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.

Delta Aps
HIP 80047; Delta1 Apodis
Easy
Cool red giant
Star mag 4.68 0.0° Apus
IC 4499
Medium+
Globular cluster — dense ball of ancient stars
Globular Cluster mag 10.6 4.8° Apus
IC 4654
Hard+
Bright spiral galaxy
Galaxy mag 12.30 6.1° Apus
Theta Aps
Easy
Semi-regular variable, range 4.7–6.2
Variable Star mag 5.50 7.3° Apus
Show on Map

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