21191+3944
- Unique Name: 21191+3944SEI1501
- RA: 21 19 07.08
- Dec: +39 44 08.3
- Discoverer: SEI
- Discoverer Number: 1501
- Components:
- First year: 1895
- Last year: 2002
- Observations: 5
- First position angle: 240
- Last position angle: 239
- First separation: 29.1
- Last separation: 29.4
- Mag first component: 11.93
- Mag second component: 12.68
- Spectral type:
- Primary proper motion RA: 0
- Primary proper motion DEC: -4
- Secondary proper motion RA: -1
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: