20210+3525
- Unique Name: 20210+3525POP 129BC
- RA: 20 20 54.87
- Dec: +35 25 49.2
- Discoverer: POP
- Discoverer Number: 129
- Components: BC
- First year: 1945
- Last year: 2002
- Observations: 5
- First position angle: 33
- Last position angle: 32
- First separation: 6.3
- Last separation: 6.1
- Mag first component: 13.1
- Mag second component: 13.5
- Spectral type:
- Primary proper motion RA: 2
- Primary proper motion DEC: -10
- Secondary proper motion RA: 16
- Secondary proper motion DEC: -7
- Durchmusterung:
- Notes: