Eta Apodis — Star in Apus
Observe
1Physical Properties
Magnitude
4.91
Spectral Type
A2m
Star Color
White
(B-V 0.25)
2Position & Identifiers
RA
14h 18m 13.8s
Dec
-81° 00' 28.0"
Constellation
Apus
(Aps)
HR
5303
HIP
69896
HD
123998
SAO
258693
Bayer
Eta
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3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Medium+ | Medium | Hard+ |
| 50 mm finder 50mm finder | Easy | Easy | Easy |
| 150 mm telescope 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
Mar – May
(peak: Apr)
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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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
Two components with identical spectra.
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.
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Article
Apus
Mythology, bright stars, and deep-sky highlights.
Constellation
