21 Austrini
- Flamsteed:
- 21 Austrini
- SAO:
- 191444
- HR:
- 8693
- HD:
- 216210
- DM:
- CD-3019324
- GC:
- 31868
- Right Ascention:
- 22h 51m 20.947s
- Declination:
- -29° 32' 10.44"
- Magnitude:
- 6.0
- Spectral Type:
- G8/K0III
- Constellation:
- Piscis Austrinus
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