21108+3818
- Unique Name: 21108+3818ALI 682
- RA: 21 10 47.29
- Dec: +38 17 52.5
- Discoverer: ALI
- Discoverer Number: 682
- Components:
- First year: 1929
- Last year: 2012
- Observations: 3
- First position angle: 108
- Last position angle: 127
- First separation: 11.7
- Last separation: 9.0
- Mag first component: 12.1
- Mag second component: 12.2
- Spectral type:
- Primary proper motion RA: 26
- Primary proper motion DEC: 2
- Secondary proper motion RA: -16
- Secondary proper motion DEC: -19
- Durchmusterung:
- Notes:
