21165+2520
- Unique Name: 21165+2520POU5307
- RA: 21 16 33.77
- Dec: +25 20 18.0
- Discoverer: POU
- Discoverer Number: 5307
- Components:
- First year: 1898
- Last year: 2001
- Observations: 3
- First position angle: 134
- Last position angle: 125
- First separation: 6.6
- Last separation: 6.8
- Mag first component: 13.6
- Mag second component: 13.8
- Spectral type:
- Primary proper motion RA: -6
- Primary proper motion DEC: 9
- Secondary proper motion RA: -9
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: