21551+2417
- Unique Name: 21551+2417POU5563
- RA: 21 55 03.11
- Dec: +24 17 49.1
- Discoverer: POU
- Discoverer Number: 5563
- Components:
- First year: 1897
- Last year: 2001
- Observations: 3
- First position angle: 99
- Last position angle: 113
- First separation: 4.7
- Last separation: 4.2
- Mag first component: 12.24
- Mag second component: 14.4
- Spectral type:
- Primary proper motion RA: 3
- Primary proper motion DEC: 1
- Secondary proper motion RA: 49
- Secondary proper motion DEC: 10
- Durchmusterung:
- Notes: