21091+0227
- Unique Name: 21091+0227BAL2048
- RA: 21 09 02.79
- Dec: +02 27 24.8
- Discoverer: BAL
- Discoverer Number: 2048
- Components:
- First year: 1909
- Last year: 2010
- Observations: 5
- First position angle: 105
- Last position angle: 95
- First separation: 6.4
- Last separation: 6.9
- Mag first component: 10.6
- Mag second component: 11.2
- Spectral type:
- Primary proper motion RA: -35
- Primary proper motion DEC: -16
- Secondary proper motion RA: -11
- Secondary proper motion DEC: -18
- Durchmusterung:
- Notes: