20307+3521
- Unique Name: 20307+3521HJ 1526A,BC
- RA: 20 30 40.68
- Dec: +35 20 53.2
- Discoverer: HJ
- Discoverer Number: 1526
- Components: A,BC
- First year: 1828
- Last year: 2008
- Observations: 20
- First position angle: 154
- Last position angle: 149
- First separation: 8.0
- Last separation: 8.8
- Mag first component: 9.0
- Mag second component: 9.26
- Spectral type: A2
- Primary proper motion RA: 7
- Primary proper motion DEC: 8
- Secondary proper motion RA: 9
- Secondary proper motion DEC: 10
- Durchmusterung: +34 4056
- Notes: D
