21538+2508
- Unique Name: 21538+2508POU5554
- RA: 21 53 49.39
- Dec: +25 08 48.0
- Discoverer: POU
- Discoverer Number: 5554
- Components:
- First year: 1897
- Last year: 2001
- Observations: 3
- First position angle: 41
- Last position angle: 40
- First separation: 4.6
- Last separation: 3.8
- Mag first component: 12.5
- Mag second component: 12.6
- Spectral type:
- Primary proper motion RA: -119
- Primary proper motion DEC: -133
- Secondary proper motion RA: 12
- Secondary proper motion DEC: 6
- Durchmusterung:
- Notes: