Characteristics
Piscis Austrinus is a constellation bordered by Capricornus to the northwest, Microscopium to the southwest, Grus to the south, Sculptor to the east, Aquarius to the north. The recommended three-letter abbreviation for the constellation, as adopted by the International Astronomical Union in 1922, is 'PsA'. The official constellation boundaries, as set by Eugène Delporte in 1930, are defined by a polygon of four segments. In the equatorial coordinate system, the right ascension coordinates of these borders lie between 21h 27.3m and 23h 06.5m, while the declination coordinates are between -24.83° and -36.46°.
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