21102+3726
- Unique Name: 21102+3726HU 1309AC
- RA: 21 10 10.16
- Dec: +37 25 46.7
- Discoverer: HU
- Discoverer Number: 1309
- Components: AC
- First year: 1916
- Last year: 2011
- Observations: 4
- First position angle: 235
- Last position angle: 239
- First separation: 23.8
- Last separation: 22.0
- Mag first component: 10.3
- Mag second component: 11.3
- Spectral type:
- Primary proper motion RA: -8
- Primary proper motion DEC: -9
- Secondary proper motion RA: 9
- Secondary proper motion DEC: -19
- Durchmusterung:
- Notes: