21177+1636
- Unique Name: 21177+1636J 850AC
- RA: 21 17 39.02
- Dec: +16 34 44.2
- Discoverer: J
- Discoverer Number: 850
- Components: AC
- First year: 1912
- Last year: 2006
- Observations: 14
- First position angle: 340
- Last position angle: 332
- First separation: 13.2
- Last separation: 12.2
- Mag first component: 9.6
- Mag second component: 9.6
- Spectral type:
- Primary proper motion RA: 29
- Primary proper motion DEC: 2
- Secondary proper motion RA: -14
- Secondary proper motion DEC: -8
- Durchmusterung:
- Notes:
