21164+2505
- Unique Name: 21164+2505POU5304
- RA: 21 16 24.84
- Dec: +25 05 15.7
- Discoverer: POU
- Discoverer Number: 5304
- Components:
- First year: 1894
- Last year: 2001
- Observations: 4
- First position angle: 356
- Last position angle: 3
- First separation: 9.5
- Last separation: 12.0
- Mag first component: 11.9
- Mag second component: 12.1
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: -16
- Secondary proper motion RA: 7
- Secondary proper motion DEC: 8
- Durchmusterung:
- Notes: