21287+7034
- Unique Name: 21287+7034STF2806AB
- RA: 21 28 39.58
- Dec: +70 33 38.5
- Discoverer: STF
- Discoverer Number: 2806
- Components: AB
- First year: 1781
- Last year: 2013
- Observations: 102
- First position angle: 255
- Last position angle: 248
- First separation: 13.4
- Last separation: 14.1
- Mag first component: 3.17
- Mag second component: 8.63
- Spectral type: B1IV
- Primary proper motion RA: 12
- Primary proper motion DEC: 8
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N D