21125+3720
- Unique Name: 21125+3720FOX 41BC
- RA: 21 12 29.90
- Dec: +37 19 05.9
- Discoverer: FOX
- Discoverer Number: 41
- Components: BC
- First year: 1912
- Last year: 2000
- Observations: 4
- First position angle: 129
- Last position angle: 130
- First separation: 0.8
- Last separation: 0.9
- Mag first component: 10.6
- Mag second component: 11.0
- Spectral type:
- Primary proper motion RA: -9
- Primary proper motion DEC: -10
- Secondary proper motion RA: -9
- Secondary proper motion DEC: -10
- Durchmusterung:
- Notes: