Theta Ceti — Star in Cetus
Observe
1Physical Properties
Magnitude
3.60
Spectral Type
K0 III
giant
Star Color
Orange
(B-V 1.06)
Distance
114 ly
2Position & Identifiers
RA
01h 24m 01.4s
Dec
-08° 11' 00.0"
Constellation
Cetus
(Cet)
HR
402
HIP
6537
HD
8512
SAO
129274
Bayer
Theta
Flamsteed
45 Cet
Double Cat
1118
Querying VizieR catalog...
3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Easy | 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
Sep – Nov
(peak: Oct)
5Survey Image
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Explore
7
Size Comparison
Querying VizieR for stellar data…
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
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15Stellar Notes
Probably optical.
16
Light Travel Time Machine
17
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
Cetus
Mythology, bright stars, and deep-sky highlights.
Constellation
