20156+3910
- Unique Name: 20156+3910SEI1046
- RA: 20 15 37.65
- Dec: +39 09 56.3
- Discoverer: SEI
- Discoverer Number: 1046
- Components:
- First year: 1896
- Last year: 1991
- Observations: 5
- First position angle: 272
- Last position angle: 249
- First separation: 3.6
- Last separation: 1.5
- Mag first component: 10.07
- Mag second component: 11.53
- Spectral type: F0
- Primary proper motion RA: -22
- Primary proper motion DEC: -2
- Secondary proper motion RA: -4
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: N