21451+2457
- Unique Name: 21451+2457POU5483
- RA: 21 45 06.00
- Dec: +24 56 36.9
- Discoverer: POU
- Discoverer Number: 5483
- Components:
- First year: 1898
- Last year: 2008
- Observations: 3
- First position angle: 185
- Last position angle: 196
- First separation: 3.6
- Last separation: 3.3
- Mag first component: 14.2
- Mag second component: 14.6
- Spectral type:
- Primary proper motion RA: 33
- Primary proper motion DEC: 83
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: