HIP 83057 — Star in Ara
Observe
1Physical Properties
Magnitude
5.55
Spectral Type
B9IV
subgiant
Star Color
White
(B-V 0.02)
3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Hard+ | 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
Apr – Jun
(peak: May)
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
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 6253
Open cluster
Open Cluster
mag 10.0
2.1°
Ara
NGC 6165
Planetary nebula — try an OIII filter
Planetary Nebula
mag 6.71
4.7°
Norma
C81
NGC 6352
Globular cluster — dense ball of ancient stars
Globular Cluster
mag 8.2
4.9°
Ara
Epsilon Nor
Easy double, sep 22.9″
Double Star
mag 4.47
6.0°
Norma
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Article
Ara
Mythology, bright stars, and deep-sky highlights.
Constellation
