21571+3858
- Unique Name: 21571+3858SEI1545
- RA: 21 57 04.33
- Dec: +38 57 20.4
- Discoverer: SEI
- Discoverer Number: 1545
- Components:
- First year: 1895
- Last year: 2004
- Observations: 8
- First position angle: 324
- Last position angle: 325
- First separation: 5.7
- Last separation: 5.6
- Mag first component: 10.69
- Mag second component: 11.5
- Spectral type:
- Primary proper motion RA: 27
- Primary proper motion DEC: 30
- Secondary proper motion RA: 22
- Secondary proper motion DEC: 29
- Durchmusterung:
- Notes: