21129+2354
- Unique Name: 21129+2354POU5256
- RA: 21 13 16.20
- Dec: +23 55 21.1
- Discoverer: POU
- Discoverer Number: 5256
- Components:
- First year: 1898
- Last year: 2001
- Observations: 5
- First position angle: 269
- Last position angle: 254
- First separation: 6.1
- Last separation: 14.5
- Mag first component: 10.5
- Mag second component: 13.9
- Spectral type: F8
- Primary proper motion RA: 24
- Primary proper motion DEC: 31
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: