21066+2356
- Unique Name: 21066+2356POU5163
- RA: 21 06 39.53
- Dec: +23 56 00.0
- Discoverer: POU
- Discoverer Number: 5163
- Components:
- First year: 1897
- Last year: 2001
- Observations: 4
- First position angle: 35
- Last position angle: 214
- First separation: 4.5
- Last separation: 4.7
- Mag first component: 12.38
- Mag second component: 12.6
- Spectral type:
- Primary proper motion RA: 28
- Primary proper motion DEC: 19
- Secondary proper motion RA: 4
- Secondary proper motion DEC: -10
- Durchmusterung:
- Notes: