17 Vulpeculae — Star in Vulpecula
Observe
1Physical Properties
Magnitude
5.07
Spectral Type
B3V
Star Color
Blue
(B-V -0.18)
2Position & Identifiers
RA
20h 06m 53.4s
Dec
+23° 36' 52.0"
Constellation
Vulpecula
(Vul)
HR
7688
HIP
99080
HD
190993
SAO
88212
Flamsteed
17 Vul
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
Jun – Aug
(peak: Jul)
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.
M27
Dumbbell Nebula
Planetary nebula — try an OIII filter
Planetary Nebula
mag 7.4
1.9°
Vulpecula
22 Vul
Observable variable star
Variable Star
mag 5.15
2.0°
Vulpecula
NGC 6882
Open cluster
Open Cluster
mag 8.1
3.1°
Vulpecula
13 Vul
Tight double — a rewarding split at 1.5″
Double Star
mag 4.58
3.1°
Vulpecula
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Article
Vulpecula
Mythology, bright stars, and deep-sky highlights.
Constellation
