Star profile
Eta Piscis Austrini
Hot blue starWhat is Eta Piscis Austrini
Eta Piscis Austrini is a blue main-sequence star 817 light-years away, in the same constellation as bright Fomalhaut, yet seventeen times farther. By contrast, Fomalhaut sits at 25 light-years and Eta at nearly a thousand: two points of light overlapping in the same sketch of sky, separated by a distance the eye cannot feel. A quiet reminder that the sky is flat only in appearance.
Where it is and when to see it
Eta Piscis Austrini lies in the southern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is August, when it culminates around midnight.
- From London it culminates about 10° above the horizon.
- From New York it culminates about 21° above the horizon.
- From Sydney it culminates about 85° above the horizon.
It can be seen from anywhere south of 62° N.
It ranks no. 13 in brightness among the 26 stars of Piscis Austrinus in our catalogue. To find it, start from Fomalhaut, the brightest: it lies about 12° away (a fist at arm's length covers about 10°).
The light you see today left it about 820 years ago.
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Astronomical data for Eta Piscis Austrini
- Constellation
- Piscis Austrinus
- Apparent magnitude
- 5.43
- Distance
- 817.5 light years
- Coordinates (J2000)
- RA 330.209° · Dec -28.454°
- Catalogue
- HIP 108661 · HD 209014
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Other stars in Piscis Austrinus
Piscis Austrinus has 26 stars in Stelvia's catalogue. Here are a few of them.
- FomalhautAlpha Piscis Austrini1.17
- Epsilon Piscis Austrini4.18
- Delta Piscis Austrini4.20
- Theta Piscis Austrini5.02
- Pi Piscis Austrini5.12
- HIP 1094045.37
- Lambda Piscis Austrini5.45
- HIP 1135325.51