21031+2523
- Unique Name: 21031+2523POU5111
- RA: 21 03 02.41
- Dec: +25 22 32.1
- Discoverer: POU
- Discoverer Number: 5111
- Components:
- First year: 1898
- Last year: 2001
- Observations: 3
- First position angle: 144
- Last position angle: 147
- First separation: 12.5
- Last separation: 12.5
- Mag first component: 13.6
- Mag second component: 13.8
- Spectral type:
- Primary proper motion RA: -5
- Primary proper motion DEC: 11
- Secondary proper motion RA: -6
- Secondary proper motion DEC: -17
- Durchmusterung:
- Notes: