30 Vulpeculae — Star in Vulpecula
Observe
1Physical Properties
Magnitude
4.91
Spectral Type
K2III
giant
Star Color
Red
(B-V 1.18)
Distance
544 ly
2Position & Identifiers
RA
20h 44m 52.5s
Dec
+25° 16' 14.0"
Constellation
Vulpecula
(Vul)
HR
7939
HIP
102388
HD
197752
SAO
89084
Flamsteed
30 Vul
Querying VizieR catalog...
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
Set a location in User Settings to see visibility data.
Best season
Jun – Aug
(peak: Jul)
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
Discover
14Stellar Notes
Gamma Leo 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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Article
Vulpecula
Mythology, bright stars, and deep-sky highlights.
Constellation
