Piscis Austrinus constellation: how to find it, when to see it and what is in it
In short
Piscis Austrinus (PsA) is a southern constellation covering 245 square degrees, number 60 of 88 by size. Its brightest star is Fomalhaut, a white main-sequence star, magnitude 1.2. It is best seen in the evening in October. Over London it stays low — you need an open southern horizon. Its neighbours in the sky: Aquarius, Capricornus, Grus, Microscopium, Sculptor.
Area: 245 square degrees, 60 of 88 · Neighbours: Aquarius, Capricornus, Grus, Microscopium, Sculptor · Updated 10 October 2026
How to find Piscis Austrinus
- 1
When to look
The best time is in October in the evening: —.
- 2
Use the neighbours
Find it from the neighbouring constellations: Aquarius, Capricornus, Grus, Microscopium.
- 3
Brightest stars
The brightest stars of the figure: Fomalhaut (1.2ᵐ), ε PsA (4.2ᵐ), δ PsA (4.2ᵐ).
When it is visible over London
| Month | Where and when | Conditions |
|---|---|---|
| January — december | — | not visible, behind the Sun |
Stars of the constellation
| Star | What it is | Magnitude |
|---|---|---|
| Fomalhaut · α PsA | white main-sequence star | 1.2ᵐ |
| ε PsA | blue-white main-sequence star | 4.2ᵐ |
| δ PsA | yellow giant | 4.2ᵐ |
| Tiangang · β PsA | white main-sequence star | 4.3ᵐ |
| τ PsA | yellow-white main-sequence star | 4.9ᵐ |
| θ PsA | white main-sequence star | 5.0ᵐ |
| η PsA | blue-white main-sequence star | 5.4ᵐ |
Piscis Austrinus FAQ
When is the best time to see Piscis Austrinus?
Where is Piscis Austrinus in the sky?
What is the brightest star in Piscis Austrinus?
Neighbouring and other constellations
Related
Constellation lines: Stellarium, CC BY-SA · star names: IAU WGSN, CC BY 4.0