The Piscis Austrinus constellation
PsA · Catalogue stars: 9
Why this name?
Piscis Austrinus is a separate celestial fish south of Aquarius. Charts often depict it drinking the water flowing from Aquarius’s vessel.
A little history
Ptolemy described the constellation. The name of its brightest star, Fomalhaut, comes from the Arabic for ‘mouth of the fish’, preserving the figure on old charts.
Data
- IAU code
- PsA
- Catalogue stars
- 9
- Messier objects
- 0
- Brightest star
- Fomalhaut · 1.2ᵐ
Stars
Stars (HIP)
- HIP 111954 · 4.2ᵐ · B8V
- HIP 113246 · 4.2ᵐ · G8III
- HIP 111188 · 4.3ᵐ · A1V
- HIP 107380 · 4.3ᵐ · B9.5V
- HIP 112948 · 4.5ᵐ · A0III
- HIP 109285 · 4.5ᵐ · A2V
- HIP 109422 · 4.9ᵐ · F6V
- HIP 109289 · 5.0ᵐ · K4III
Altitude above the horizon by latitude
| Latitude | Maximum altitude | Rise azimuth |
|---|---|---|
| +60° | never rises | — |
| +55° | 4° | 152° |
| +45° | 14° | 136° |
| +30° | 29° | 126° |
| 0° | 59° | 121° |
| −35° | 86° | 128° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 14:42 |
| February | 12:35 |
| March | 10:50 |
| April | 08:56 |
| May | 07:02 |
| June | 04:56 |
| July | 02:52 |
| August | 00:51 |
| September | 22:58 |
| October | 21:09 |
| November | 19:08 |
| December | 17:00 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.
Neighbouring constellations
In brief
Which is the brightest star in Piscis Austrinus?
Fomalhaut — 1.2ᵐ.