21101+4359
- Unique Name: 21101+4359HJ 1618BC
- RA: 21 10 04.99
- Dec: +43 59 01.8
- Discoverer: HJ
- Discoverer Number: 1618
- Components: BC
- First year: 1902
- Last year: 2012
- Observations: 5
- First position angle: 133
- Last position angle: 133
- First separation: 2.9
- Last separation: 3.1
- Mag first component: 11.2
- Mag second component: 12.2
- Spectral type:
- Primary proper motion RA: -14
- Primary proper motion DEC: 4
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes:
