21458+2155
- Unique Name: 21458+2155HU 1656
- RA: 21 45 53.00
- Dec: +21 54 29.5
- Discoverer: HU
- Discoverer Number: 1656
- Components:
- First year: 1901
- Last year: 2002
- Observations: 8
- First position angle: 306
- Last position angle: 305
- First separation: 2.2
- Last separation: 2.2
- Mag first component: 11.33
- Mag second component: 11.31
- Spectral type:
- Primary proper motion RA: 25
- Primary proper motion DEC: 8
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: