Star lore
Piscis Austrinus
Direct answer
Piscis Austrinus is a southern constellation representing the Southern Fish and dominated by the bright star Fomalhaut.
Piscis Austrinus is the Southern Fish, an autumn constellation centered on solitary Fomalhaut.
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At a glance
- Found in
- Constellations & Star Lore
- Related
- Pictor, Pisces Constellation, Puppis, Pyxis
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The story behind Piscis Austrinus
Piscis Austrinus appeared in Ptolemy's catalogue and is traditionally shown receiving water from Aquarius.
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Why Piscis Austrinus matters
Fomalhaut provides a prominent anchor in a region otherwise known for faint water-themed constellations.
How to read Piscis Austrinus
Find Fomalhaut south of Aquarius and trace the dim fish-shaped outline around it with a chart.
Piscis Austrinus in practice: an example
Fomalhaut's brightness and isolation make it a useful seasonal and navigational reference.
Where readings of Piscis Austrinus go wrong
Piscis Austrinus is a separate constellation from Pisces, despite both names referring to fish.
Sources and editorial method
Research references used for this entry include:
- International Astronomical Union: The Constellations - Official names, abbreviations, and boundaries for the 88 modern constellations.
- NASA Space Place: What Are Constellations? - NASA introduction to constellation regions, patterns, visibility, and seasonal sky changes.
- Source
- The Great Almanac Dictionary
- Category
- Constellations & Star Lore
- Last updated
- 2026-09-26
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Common questions
What is Piscis Austrinus?
Piscis Austrinus is a southern constellation representing the Southern Fish and dominated by the bright star Fomalhaut.
What do people get wrong about Piscis Austrinus?
Piscis Austrinus is a separate constellation from Pisces, despite both names referring to fish.
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