2 Ceti — Star in Cetus
Observe
1Physical Properties
Magnitude
4.55
Spectral Type
B9.5Vn
Star Color
Blue-white
(B-V -0.05)
Distance
466 ly
2Position & Identifiers
RA
00h 03m 44.4s
Dec
-17° 20' 10.0"
Constellation
Cetus
(Cet)
HR
9098
HIP
301
HD
225132
SAO
147059
Flamsteed
2 Cet
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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
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Best season
Aug – Oct
(peak: Sep)
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
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Visibility scores assume a 150 mm Newton at Bortle 4.
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Article
Cetus
Mythology, bright stars, and deep-sky highlights.
Constellation
