Zeta Delphini — Star in Delphinus
Observe
1Physical Properties
Magnitude
4.68
Spectral Type
A3V
Star Color
White
(B-V 0.11)
Distance
217 ly
2Position & Identifiers
RA
20h 35m 18.5s
Dec
+14° 40' 27.0"
Constellation
Delphinus
(Del)
HR
7871
HIP
101589
HD
196180
SAO
106274
Bayer
Zeta
Flamsteed
4 Del
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
14
Light Travel Time Machine
15
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.
Gamma Del
HIP 102531; Gamma1 Delphini; 12 Delphini
Colorful double, sep 9.8″
Double Star
mag 5.14
3.1°
Delphinus
EU Del
Semi-regular variable, range 5.8–6.9
Variable Star
mag 6.25
3.6°
Delphinus
C42
NGC 7006
Globular cluster — dense ball of ancient stars
Globular Cluster
mag 10.6
6.5°
Delphinus
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Mythology, bright stars, and deep-sky highlights.
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The Hertzsprung-Russell Diagram — Reading Stars Like a Map
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