HIP 27890 — Star in Dorado
Observe
1Physical Properties
Magnitude
4.65
Spectral Type
K1III-IV
giant
Star Color
Orange
(B-V 1.05)
Distance
68 ly
2Position & Identifiers
RA
05h 54m 06.1s
Dec
-63° 05' 24.0"
Constellation
Dorado
(Dor)
HR
2102
HIP
27890
HD
40409
SAO
249390
Querying VizieR catalog...
3How easy to spot?
Sign in
and configure your equipment and default location to see a personalized row.
| 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
Set a location in User Settings to see visibility data.
Best season
Nov – Jan
(peak: Dec)
5Survey Image
Loading survey image…
Explore
6
Size Comparison
Querying VizieR for stellar data…
7
Compare Stars
8
Spectral Classification
9
Hertzsprung-Russell Diagram
Loading HR diagram…
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
Epsilon Ind group.
15
Light Travel Time Machine
16
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.
NGC 2178
Elliptical galaxy
Galaxy
mag 12.80
1.2°
Pictor
Beta Dor
Pulsating variable, period 9.8d
Variable Star
mag 3.76
2.4°
Dorado
NGC 2105
Open cluster
Open Cluster
mag 12.19
3.5°
Dorado
NGC 1978
Globular cluster — dense ball of ancient stars
Globular Cluster
mag 9.9
4.1°
Dorado
Explore Nightbase
Related knowledge, tools, and stories — no observation planning required.
Arthur Eddington
1919 eclipse expedition confirming general relativity; first theory of stellar interiors; the Eddington limit
Biography
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.
Article
Dorado
Mythology, bright stars, and deep-sky highlights.
Constellation
