9 Pegasi — Star in Pegasus
Observe
1Physical Properties
Magnitude
4.34
Spectral Type
G5Ib
supergiant
Star Color
Red
(B-V 1.17)
Distance
408 ly
2Position & Identifiers
RA
21h 44m 30.7s
Dec
+17° 21' 00.0"
Constellation
Pegasus
(Peg)
HR
8313
HIP
107348
HD
206859
SAO
107365
Flamsteed
9 Peg
Querying VizieR catalog...
3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Medium+ | Medium+ | Medium |
| 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
Jul – Sep
(peak: Aug)
5Survey Image
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Explore
7
Size Comparison
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8
Compare Stars
9
Spectral Classification
10
Hertzsprung-Russell Diagram
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11
Stellar Lifecycle
12
Blackbody Spectrum
13
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
14
Stellar Fusion
Discover
15
Light Travel Time Machine
16
Relativistic Travel
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Visibility scores assume a 150 mm Newton at Bortle 4.
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Article
Pegasus
Mythology, bright stars, and deep-sky highlights.
Constellation
