Kappa Gruis — Star in Grus
Observe
1Physical Properties
Magnitude
5.37
Spectral Type
K5III
giant
Star Color
Red
(B-V 1.45)
Distance
272 ly
2Position & Identifiers
RA
23h 04m 39.6s
Dec
-53° 57' 54.0"
Constellation
Grus
(Gru)
HR
8774
HIP
113957
HD
217902
SAO
247711
Bayer
Kappa
Querying VizieR catalog...
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
Set a location in User Settings to see visibility data.
Best season
Aug – Oct
(peak: Sep)
5Survey Image
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Explore
6
Size Comparison
Querying VizieR for stellar data…
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
Discover
14Stellar Notes
Eta Cep group.
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.
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The Hertzsprung-Russell Diagram — Reading Stars Like a Map
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Article
Grus
Mythology, bright stars, and deep-sky highlights.
Constellation
