Eta Coronae Australis — Star in Corona Australis
HIP 92308; Eta1 Coronae Australis
Observe
1Physical Properties
Magnitude
5.49
Spectral Type
A3V
Star Color
White
(B-V 0.13)
2Position & Identifiers
RA
18h 48m 50.5s
Dec
-43° 40' 48.0"
Constellation
Corona Australis
(CrA)
HR
7062
HIP
92308
HD
173715
SAO
229299
Bayer
Eta1
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3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Medium | Hard+ | 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
May – Jul
(peak: Jun)
5Survey Image
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6
Size Comparison
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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
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
Corona Australis
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Constellation
