21050+1243
- Unique Name: 21050+1243A 1690BC
- RA: 21 05 01.11
- Dec: +12 43 23.4
- Discoverer: A
- Discoverer Number: 1690
- Components: BC
- First year: 1907
- Last year: 1991
- Observations: 13
- First position angle: 124
- Last position angle: 108
- First separation: 0.6
- Last separation: 0.5
- Mag first component: 10.49
- Mag second component: 11.42
- Spectral type:
- Primary proper motion RA: 51
- Primary proper motion DEC: -7
- Secondary proper motion RA: 51
- Secondary proper motion DEC: -7
- Durchmusterung:
- Notes: N
