21291+3357
- Unique Name: 21291+3357ES 2263
- RA: 21 29 02.69
- Dec: +33 55 55.6
- Discoverer: ES
- Discoverer Number: 2263
- Components:
- First year: 1926
- Last year: 1998
- Observations: 2
- First position angle: 30
- Last position angle: 42
- First separation: 3.4
- Last separation: 3.1
- Mag first component: 10.96
- Mag second component: 13.3
- Spectral type:
- Primary proper motion RA: 7
- Primary proper motion DEC: 10
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +33 4272
- Notes: