21216+3253
- Unique Name: 21216+3253GYL 54
- RA: 21 21 33.25
- Dec: +32 53 07.1
- Discoverer: GYL
- Discoverer Number: 54
- Components:
- First year: 1893
- Last year: 2012
- Observations: 8
- First position angle: 138
- Last position angle: 137
- First separation: 22.0
- Last separation: 22.3
- Mag first component: 9.94
- Mag second component: 11.66
- Spectral type: F8
- Primary proper motion RA: 7
- Primary proper motion DEC: 28
- Secondary proper motion RA: 6
- Secondary proper motion DEC: 29
- Durchmusterung: +32 4135
- Notes: