21104+2512
- Unique Name: 21104+2512POU5213
- RA: 21 10 27.25
- Dec: +25 12 52.3
- Discoverer: POU
- Discoverer Number: 5213
- Components:
- First year: 1891
- Last year: 2001
- Observations: 5
- First position angle: 246
- Last position angle: 247
- First separation: 5.4
- Last separation: 5.4
- Mag first component: 11.9
- Mag second component: 12.6
- Spectral type:
- Primary proper motion RA: -15
- Primary proper motion DEC: -10
- Secondary proper motion RA: -14
- Secondary proper motion DEC: -11
- Durchmusterung:
- Notes: