21505+6401
- Unique Name: 21505+6401ES 1920
- RA: 21 50 30.53
- Dec: +64 00 39.9
- Discoverer: ES
- Discoverer Number: 1920
- Components:
- First year: 1921
- Last year: 2003
- Observations: 3
- First position angle: 152
- Last position angle: 153
- First separation: 4.2
- Last separation: 4.6
- Mag first component: 10.69
- Mag second component: 12.4
- Spectral type:
- Primary proper motion RA: -15
- Primary proper motion DEC: 12
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes:
