21491+6648
- Unique Name: 21491+6648STF2836AB
- RA: 21 49 08.12
- Dec: +66 47 31.9
- Discoverer: STF
- Discoverer Number: 2836
- Components: AB
- First year: 1828
- Last year: 2013
- Observations: 24
- First position angle: 151
- Last position angle: 156
- First separation: 13.0
- Last separation: 11.8
- Mag first component: 6.53
- Mag second component: 10.36
- Spectral type: F4V
- Primary proper motion RA: -21
- Primary proper motion DEC: -66
- Secondary proper motion RA: -21
- Secondary proper motion DEC: -66
- Durchmusterung: +66 1441
- Notes: N D