21506+4908
- Unique Name: 21506+4908ES 826
- RA: 21 50 34.72
- Dec: +49 07 36.9
- Discoverer: ES
- Discoverer Number: 826
- Components:
- First year: 1909
- Last year: 1999
- Observations: 2
- First position angle: 127
- Last position angle: 129
- First separation: 3.6
- Last separation: 4.0
- Mag first component: 10.18
- Mag second component: 13.1
- Spectral type: A0
- Primary proper motion RA: -11
- Primary proper motion DEC: 9
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +48 3523
- Notes: