21009+2319
- Unique Name: 21009+2319POU5094
- RA: 21 00 57.94
- Dec: +23 19 55.7
- Discoverer: POU
- Discoverer Number: 5094
- Components:
- First year: 1891
- Last year: 2001
- Observations: 8
- First position angle: 209
- Last position angle: 216
- First separation: 19.4
- Last separation: 20.6
- Mag first component: 11.17
- Mag second component: 12.75
- Spectral type:
- Primary proper motion RA: 19
- Primary proper motion DEC: -23
- Secondary proper motion RA: -8
- Secondary proper motion DEC: -18
- Durchmusterung: +22 4270
- Notes: