21030+2458
- Unique Name: 21030+2458POU5110
- RA: 21 03 02.70
- Dec: +24 58 07.4
- Discoverer: POU
- Discoverer Number: 5110
- Components:
- First year: 1891
- Last year: 2008
- Observations: 7
- First position angle: 155
- Last position angle: 147
- First separation: 12.4
- Last separation: 12.6
- Mag first component: 11.1
- Mag second component: 12.5
- Spectral type:
- Primary proper motion RA: -7
- Primary proper motion DEC: -4
- Secondary proper motion RA: 6
- Secondary proper motion DEC: 1
- Durchmusterung:
- Notes: