HIP 2661 — Star in Sculptor
Observe
1Physical Properties
Magnitude
5.55
Spectral Type
K2III
giant
Star Color
Red
(B-V 1.27)
2Position & Identifiers
RA
00h 33m 41.1s
Dec
-29° 33' 30.0"
Constellation
Sculptor
(Scl)
HR
138
HIP
2661
HD
3059
SAO
166367
Querying VizieR catalog...
3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Hard+ | Hard+ | 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
Aug – Oct
(peak: Sep)
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
14Stellar Notes
Spectroscopic companion may be the cause of the bright ultraviolet.
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.
NGC 150
Barred spiral galaxy
Galaxy
mag 11.1
1.8°
Sculptor
Eta Scl
Cool red giant
Star
mag 4.81
3.7°
Sculptor
NGC 288
Globular cluster — dense ball of ancient stars
Globular Cluster
mag 8.1
5.2°
Sculptor
Kappa Scl
HIP 761; Kappa1 Sculptoris
Tight double — a rewarding split at 1.3″
Double Star
mag 5.42
5.6°
Sculptor
T Cet
Semi-regular variable, range 5.0–6.9
Variable Star
mag 5.12
9.9°
Cetus
Explore Nightbase
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Biography
Sculptor
Mythology, bright stars, and deep-sky highlights.
Constellation
The Hertzsprung-Russell Diagram — Reading Stars Like a Map
The HR diagram turns the night sky into a physics map: every named star has a spot, every spot tells you mass, age, and fate. A guide for amateur observers.
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