21070+4125
- Unique Name: 21070+4125BU 988AB
- RA: 21 07 01.01
- Dec: +41 24 47.1
- Discoverer: BU
- Discoverer Number: 988
- Components: AB
- First year: 1880
- Last year: 2003
- Observations: 13
- First position angle: 238
- Last position angle: 220
- First separation: 1.2
- Last separation: 1.2
- Mag first component: 10.08
- Mag second component: 11.42
- Spectral type: F8
- Primary proper motion RA: 93
- Primary proper motion DEC: -11
- Secondary proper motion RA: 93
- Secondary proper motion DEC: -11
- Durchmusterung: +40 4413
- Notes: