21394+7839
- Unique Name: 21394+7839UC 4520
- RA: 21 39 26.20
- Dec: +78 38 41.5
- Discoverer: UC
- Discoverer Number: 4520
- Components:
- First year: 1999
- Last year: 2003
- Observations: 2
- First position angle: 189
- Last position angle: 189
- First separation: 30.6
- Last separation: 30.6
- Mag first component: 10.5
- Mag second component: 12.5
- Spectral type:
- Primary proper motion RA: 59
- Primary proper motion DEC: 26
- Secondary proper motion RA: 53
- Secondary proper motion DEC: 22
- Durchmusterung:
- Notes: V
