21582+8252
- Unique Name: 21582+8252STF2873AB
- RA: 21 58 13.53
- Dec: +82 52 10.8
- Discoverer: STF
- Discoverer Number: 2873
- Components: AB
- First year: 1825
- Last year: 2012
- Observations: 155
- First position angle: 78
- Last position angle: 66
- First separation: 13.6
- Last separation: 13.7
- Mag first component: 7.0
- Mag second component: 7.47
- Spectral type: F6IV-V
- Primary proper motion RA: -133
- Primary proper motion DEC: -47
- Secondary proper motion RA: -137
- Secondary proper motion DEC: -40
- Durchmusterung: +82 673
- Notes: NODT