21539+0845
- Unique Name: 21539+0845ABH 153AE
- RA: 21 54 01.63
- Dec: +08 44 38.7
- Discoverer: ABH
- Discoverer Number: 153
- Components: AE
- First year: 1987
- Last year: 2000
- Observations: 3
- First position angle: 110
- Last position angle: 110
- First separation: 67.9
- Last separation: 67.5
- Mag first component: 11.5
- Mag second component: 16.0
- Spectral type: G9IV
- Primary proper motion RA: -7
- Primary proper motion DEC: 2
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: U