21592+7311
- Unique Name: 21592+7311BU 1509
- RA: 21 59 15.10
- Dec: +73 10 49.0
- Discoverer: BU
- Discoverer Number: 1509
- Components:
- First year: 1910
- Last year: 1992
- Observations: 3
- First position angle: 174
- Last position angle: 170
- First separation: 134.3
- Last separation: 121.5
- Mag first component: 5.03
- Mag second component: 12.0
- Spectral type: F5V
- Primary proper motion RA: -68
- Primary proper motion DEC: -160
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +72 1009
- Notes: N