21070+4125
- Unique Name: 21070+4125BU 988AC
- RA: 21 07 01.01
- Dec: +41 24 47.1
- Discoverer: BU
- Discoverer Number: 988
- Components: AC
- First year: 1880
- Last year: 2011
- Observations: 25
- First position angle: 55
- Last position angle: 7
- First separation: 16.1
- Last separation: 9.4
- Mag first component: 10.08
- Mag second component: 9.9
- Spectral type: F8
- Primary proper motion RA: 93
- Primary proper motion DEC: -11
- Secondary proper motion RA: 2
- Secondary proper motion DEC: -13
- Durchmusterung:
- Notes: L