21105+3606
- Unique Name: 21105+3606SEI1428
- RA: 21 10 32.57
- Dec: +36 06 02.6
- Discoverer: SEI
- Discoverer Number: 1428
- Components:
- First year: 1896
- Last year: 2012
- Observations: 3
- First position angle: 149
- Last position angle: 144
- First separation: 19.3
- Last separation: 19.1
- Mag first component: 9.5
- Mag second component: 11.0
- Spectral type:
- Primary proper motion RA: -12
- Primary proper motion DEC: -4
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: