21066+3623
- Unique Name: 21066+3623SEI1405
- RA: 21 06 34.73
- Dec: +36 22 59.8
- Discoverer: SEI
- Discoverer Number: 1405
- Components:
- First year: 1896
- Last year: 2012
- Observations: 8
- First position angle: 315
- Last position angle: 314
- First separation: 8.8
- Last separation: 8.5
- Mag first component: 11.26
- Mag second component: 12.4
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: -2
- Secondary proper motion RA: -4
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: N
