Tau Piscium — Star in Pisces
Observe
1Physical Properties
Magnitude
4.51
Spectral Type
K0.5IIIb
bright giant
Star Color
Orange
(B-V 1.09)
Distance
142 ly
2Position & Identifiers
RA
01h 11m 39.6s
Dec
+30° 05' 23.0"
Constellation
Pisces
(Psc)
HR
352
HIP
5586
HD
7106
SAO
74546
Bayer
Tau
Flamsteed
83 Psc
Querying VizieR catalog...
3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Medium+ | 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
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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Article
Pisces
Mythology, bright stars, and deep-sky highlights.
Constellation
