21045+2321
- Unique Name: 21045+2321POU5129
- RA: 21 04 28.60
- Dec: +23 20 37.2
- Discoverer: POU
- Discoverer Number: 5129
- Components:
- First year: 1897
- Last year: 2001
- Observations: 3
- First position angle: 102
- Last position angle: 102
- First separation: 11.6
- Last separation: 12.9
- Mag first component: 13.9
- Mag second component: 14.2
- Spectral type:
- Primary proper motion RA: -21
- Primary proper motion DEC: 13
- Secondary proper motion RA: 32
- Secondary proper motion DEC: 2
- Durchmusterung:
- Notes: