21171+2534
- Unique Name: 21171+2534A 294AC
- RA: 21 17 05.15
- Dec: +25 34 24.2
- Discoverer: A
- Discoverer Number: 294
- Components: AC
- First year: 1901
- Last year: 2001
- Observations: 6
- First position angle: 180
- Last position angle: 192
- First separation: 14.7
- Last separation: 12.9
- Mag first component: 9.82
- Mag second component: 15.1
- Spectral type: G0
- Primary proper motion RA: 22
- Primary proper motion DEC: -22
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: