21287+0743
- Unique Name: 21287+0743HU 276
- RA: 21 28 40.13
- Dec: +07 43 05.9
- Discoverer: HU
- Discoverer Number: 276
- Components:
- First year: 1900
- Last year: 2001
- Observations: 13
- First position angle: 27
- Last position angle: 24
- First separation: 0.9
- Last separation: 0.8
- Mag first component: 9.99
- Mag second component: 10.19
- Spectral type: F5
- Primary proper motion RA: 3
- Primary proper motion DEC: 4
- Secondary proper motion RA: 3
- Secondary proper motion DEC: 4
- Durchmusterung: +07 4698
- Notes: