21 Aquarii
- Flamsteed:
- 21 Aquarii
- SAO:
- 145384
- HR:
- 8199
- HD:
- 203926
- DM:
- BD-04 5446
- GC:
- 29993
- Right Ascention:
- 21h 25m 16.941s
- Declination:
- -3° 33' 24.86"
- Magnitude:
- 5.7
- Spectral Type:
- K4III
- Constellation:
- Aquarius
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