Observe
1Physical Properties
Magnitude
4.75
Spectral Type
F4IV
subgiant
Star Color
Yellow
(B-V 0.45)
Distance
93 ly
2Position & Identifiers
RA
02h 32m 05.2s
Dec
-15° 14' 41.0"
Constellation
Cetus
(Cet)
HR
740
HIP
11783
HD
15798
SAO
148445
Bayer
Sigma
Flamsteed
76 Cet
Querying VizieR catalog...
3How easy to split?
Primary
4.8 mag
Companion
8.8 mag
Separation
345.6″
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| Telescope | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| 80 mm refractor 80mm refr. | Easy | Easy | Medium+ |
| 150 mm Newton 150mm Newt. | Easy | Easy | Easy |
| Celestron C8 (203 mm SCT) C8 203mm | 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)
5Multiple Star System
Separation
345.6″
Companion Mag
8.8
Position Angle
252°
Star Colors
A: Yellow
B: Orange
Discoverer
GWP 335
Eyepiece View
32x
Dawes: 1.9″
TFOV: 1.6°
Realistic = true angular size
A: 4.8 · B: 8.8 · Sep: 345.6″ · PA: 252° · N up, E right
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
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
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.
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