21066+3436
- Unique Name: 21066+3436POP 22AC
- RA: 21 06 33.86
- Dec: +34 35 57.9
- Discoverer: POP
- Discoverer Number: 22
- Components: AC
- First year: 1941
- Last year: 2011
- Observations: 16
- First position angle: 18
- Last position angle: 16
- First separation: 34.4
- Last separation: 29.9
- Mag first component: 10.47
- Mag second component: 11.71
- Spectral type:
- Primary proper motion RA: 31
- Primary proper motion DEC: 40
- Secondary proper motion RA: -2
- Secondary proper motion DEC: -8
- Durchmusterung:
- Notes: L
