21035+2906
- Unique Name: 21035+2906BU 445AB
- RA: 21 03 29.53
- Dec: +29 05 33.0
- Discoverer: BU
- Discoverer Number: 445
- Components: AB
- First year: 1877
- Last year: 1991
- Observations: 13
- First position angle: 107
- Last position angle: 109
- First separation: 4.6
- Last separation: 4.8
- Mag first component: 7.0
- Mag second component: 11.14
- Spectral type: G8III
- Primary proper motion RA: -7
- Primary proper motion DEC: -21
- Secondary proper motion RA: -6
- Secondary proper motion DEC: -19
- Durchmusterung: +28 3974
- Notes: