21359+6539
- Unique Name: 21359+6539MLR 83AB
- RA: 21 35 55.95
- Dec: +65 39 00.3
- Discoverer: MLR
- Discoverer Number: 83
- Components: AB
- First year: 1970
- Last year: 2008
- Observations: 10
- First position angle: 336
- Last position angle: 321
- First separation: 0.4
- Last separation: 0.5
- Mag first component: 10.0
- Mag second component: 10.7
- Spectral type: F2
- Primary proper motion RA: 4
- Primary proper motion DEC: 7
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +65 1610
- Notes: