21108+2718
- Unique Name: 21108+2718BRT1958
- RA: 21 10 54.52
- Dec: +27 17 16.6
- Discoverer: BRT
- Discoverer Number: 1958
- Components:
- First year: 1930
- Last year: 2000
- Observations: 3
- First position angle: 153
- Last position angle: 159
- First separation: 3.9
- Last separation: 2.8
- Mag first component: 9.7
- Mag second component: 10.8
- Spectral type:
- Primary proper motion RA: 4
- Primary proper motion DEC: 15
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: