21308+4827
- Unique Name: 21308+4827A 770AB,C
- RA: 21 30 48.00
- Dec: +48 27 25.4
- Discoverer: A
- Discoverer Number: 770
- Components: AB,C
- First year: 1904
- Last year: 2008
- Observations: 8
- First position angle: 330
- Last position angle: 317
- First separation: 1.8
- Last separation: 1.2
- Mag first component: 8.74
- Mag second component: 11.9
- Spectral type: K0
- Primary proper motion RA: 18
- Primary proper motion DEC: -142
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: N
