21299+2338
- Unique Name: 21299+2338BU 685
- RA: 21 29 56.88
- Dec: +23 38 19.8
- Discoverer: BU
- Discoverer Number: 685
- Components:
- First year: 1878
- Last year: 2013
- Observations: 9
- First position angle: 334
- Last position angle: 325
- First separation: 29.8
- Last separation: 30.4
- Mag first component: 4.57
- Mag second component: 12.7
- Spectral type: M1III
- Primary proper motion RA: 25
- Primary proper motion DEC: 4
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +23 4325
- Notes: N