21545+2506
- Unique Name: 21545+2506POU5558
- RA: 21 54 27.52
- Dec: +25 06 01.8
- Discoverer: POU
- Discoverer Number: 5558
- Components:
- First year: 1897
- Last year: 2001
- Observations: 3
- First position angle: 224
- Last position angle: 222
- First separation: 10.6
- Last separation: 11.0
- Mag first component: 13.56
- Mag second component: 13.47
- Spectral type:
- Primary proper motion RA: -2
- Primary proper motion DEC: -3
- Secondary proper motion RA: -4
- Secondary proper motion DEC: -15
- Durchmusterung:
- Notes: