21156+3600
- Unique Name: 21156+3600SEI1479AB
- RA: 21 15 32.78
- Dec: +35 59 28.7
- Discoverer: SEI
- Discoverer Number: 1479
- Components: AB
- First year: 1896
- Last year: 2012
- Observations: 3
- First position angle: 77
- Last position angle: 76
- First separation: 26.6
- Last separation: 26.7
- Mag first component: 11.08
- Mag second component: 13.3
- Spectral type:
- Primary proper motion RA: -3
- Primary proper motion DEC: -3
- Secondary proper motion RA: -3
- Secondary proper motion DEC: -5
- Durchmusterung:
- Notes: