21478+2452
- Unique Name: 21478+2452POU5507
- RA: 21 47 43.14
- Dec: +24 51 20.0
- Discoverer: POU
- Discoverer Number: 5507
- Components:
- First year: 1898
- Last year: 2001
- Observations: 3
- First position angle: 321
- Last position angle: 320
- First separation: 15.5
- Last separation: 14.8
- Mag first component: 10.72
- Mag second component: 14.12
- Spectral type:
- Primary proper motion RA: -3
- Primary proper motion DEC: 2
- Secondary proper motion RA: -8
- Secondary proper motion DEC: 3
- Durchmusterung:
- Notes: