21474+5508
- Unique Name: 21474+5508MLR 591
- RA: 21 47 24.73
- Dec: +55 08 03.4
- Discoverer: MLR
- Discoverer Number: 591
- Components:
- First year: 1981
- Last year: 2008
- Observations: 7
- First position angle: 47
- Last position angle: 53
- First separation: 0.2
- Last separation: 0.2
- Mag first component: 10.3
- Mag second component: 10.3
- Spectral type: F5
- Primary proper motion RA: 5
- Primary proper motion DEC: 13
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +54 2628
- Notes: