21156+7836
- Unique Name: 21156+7836STF2796
- RA: 21 15 35.69
- Dec: +78 35 53.6
- Discoverer: STF
- Discoverer Number: 2796
- Components:
- First year: 1832
- Last year: 2010
- Observations: 42
- First position angle: 44
- Last position angle: 42
- First separation: 24.6
- Last separation: 26.4
- Mag first component: 7.43
- Mag second component: 9.56
- Spectral type: A3V
- Primary proper motion RA: 10
- Primary proper motion DEC: 5
- Secondary proper motion RA: 17
- Secondary proper motion DEC: 13
- Durchmusterung: +77 811
- Notes: N D