21047+0332
- Unique Name: 21047+0332SE 3BC
- RA: 21 04 45.21
- Dec: +03 31 57.6
- Discoverer: SE
- Discoverer Number: 3
- Components: BC
- First year: 1856
- Last year: 2008
- Observations: 79
- First position angle: 127
- Last position angle: 125
- First separation: 0.6
- Last separation: 0.6
- Mag first component: 9.6
- Mag second component: 10.2
- Spectral type: G0
- Primary proper motion RA: 18
- Primary proper motion DEC: -3
- Secondary proper motion RA: 18
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: NO