21177+3423
- Unique Name: 21177+3423SLE 381
- RA: 21 17 39.18
- Dec: +34 22 37.8
- Discoverer: SLE
- Discoverer Number: 381
- Components:
- First year: 1934
- Last year: 2002
- Observations: 5
- First position angle: 277
- Last position angle: 279
- First separation: 9.4
- Last separation: 9.6
- Mag first component: 12.29
- Mag second component: 12.5
- Spectral type:
- Primary proper motion RA: 5
- Primary proper motion DEC: -5
- Secondary proper motion RA: 0
- Secondary proper motion DEC: -5
- Durchmusterung:
- Notes: