21015+3855
- Unique Name: 21015+3855SEI1371
- RA: 21 01 29.17
- Dec: +38 54 55.4
- Discoverer: SEI
- Discoverer Number: 1371
- Components:
- First year: 1895
- Last year: 1895
- Observations: 1
- First position angle: 147
- Last position angle: 147
- First separation: 11.2
- Last separation: 11.2
- Mag first component: 9.6
- Mag second component: 11.6
- Spectral type: A5
- Primary proper motion RA: 0
- Primary proper motion DEC: -17
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +38 4316
- Notes: