21291+3102
- Unique Name: 21291+3102BRT 288
- RA: 21 29 02.76
- Dec: +31 02 44.8
- Discoverer: BRT
- Discoverer Number: 288
- Components:
- First year: 1895
- Last year: 2004
- Observations: 9
- First position angle: 97
- Last position angle: 96
- First separation: 4.2
- Last separation: 4.8
- Mag first component: 11.34
- Mag second component: 11.4
- Spectral type:
- Primary proper motion RA: -14
- Primary proper motion DEC: 9
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N
