21491+6648
- Unique Name: 21491+6648WAL 140AC
- RA: 21 49 08.12
- Dec: +66 47 31.9
- Discoverer: WAL
- Discoverer Number: 140
- Components: AC
- First year: 1894
- Last year: 2003
- Observations: 7
- First position angle: 248
- Last position angle: 253
- First separation: 67.6
- Last separation: 64.6
- Mag first component: 6.53
- Mag second component: 10.53
- Spectral type: F4V
- Primary proper motion RA: -21
- Primary proper motion DEC: -66
- Secondary proper motion RA: -20
- Secondary proper motion DEC: -8
- Durchmusterung:
- Notes: N