21578+2437
- Unique Name: 21578+2437POU5590
- RA: 21 57 50.04
- Dec: +24 36 55.0
- Discoverer: POU
- Discoverer Number: 5590
- Components:
- First year: 1897
- Last year: 2009
- Observations: 4
- First position angle: 146
- Last position angle: 136
- First separation: 9.6
- Last separation: 10.3
- Mag first component: 11.12
- Mag second component: 13.2
- Spectral type:
- Primary proper motion RA: -4
- Primary proper motion DEC: -7
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: