Tucana constellation: how to find it, when to see it and what is in it
In short
Tucana (Tuc) is a southern constellation covering 295 square degrees, number 48 of 88 by size. Its brightest star is Lang-Exster, a orange giant, magnitude 2.9. It is best seen in the evening in November. It never rises over London — it is visible south of 18° north. Its neighbours in the sky: Grus, Hydrus, Indus, Octans, Phoenix.
Area: 295 square degrees, 48 of 88 · Neighbours: Grus, Hydrus, Indus, Octans, Phoenix · Updated 10 October 2026
How to find Tucana
- 1
Where it is visible
The constellation rises above the horizon south of 18° north and is well seen from the southern hemisphere.
- 2
Use the neighbours
Find it from the neighbouring constellations: Grus, Hydrus, Indus, Octans.
- 3
Brightest stars
The brightest stars of the figure: Lang-Exster (2.9ᵐ), γ Tuc (4.0ᵐ), ζ Tuc (4.2ᵐ).
When it is visible over London
| Month | Where and when | Conditions |
|---|---|---|
| January — december | — | never rises |
Stars of the constellation
| Star | What it is | Magnitude |
|---|---|---|
| Lang-Exster · α Tuc | orange giant | 2.9ᵐ |
| γ Tuc | yellow-white giant | 4.0ᵐ |
| ζ Tuc | yellow-white main-sequence star | 4.2ᵐ |
| β¹ Tuc | blue-white main-sequence star | 4.4ᵐ |
Tucana FAQ
When is the best time to see Tucana?
Where is Tucana in the sky?
What is the brightest star in Tucana?
Neighbouring and other constellations
Related
Constellation lines: Stellarium, CC BY-SA · star names: IAU WGSN, CC BY 4.0