21278+3835
- Unique Name: 21278+3835KU 61AB
- RA: 21 27 49.16
- Dec: +38 34 45.2
- Discoverer: KU
- Discoverer Number: 61
- Components: AB
- First year: 1901
- Last year: 2002
- Observations: 13
- First position angle: 273
- Last position angle: 271
- First separation: 3.8
- Last separation: 3.8
- Mag first component: 10.02
- Mag second component: 10.57
- Spectral type: F8
- Primary proper motion RA: 24
- Primary proper motion DEC: -20
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -23
- Durchmusterung: +37 4317
- Notes: