21492+6312
- Unique Name: 21492+6312HEI 290
- RA: 21 49 15.15
- Dec: +63 12 35.7
- Discoverer: HEI
- Discoverer Number: 290
- Components:
- First year: 1983
- Last year: 2008
- Observations: 4
- First position angle: 4
- Last position angle: 7
- First separation: 1.1
- Last separation: 1.2
- Mag first component: 11.21
- Mag second component: 11.6
- Spectral type:
- Primary proper motion RA: 7
- Primary proper motion DEC: -3
- Secondary proper motion RA: 7
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: