21148+3803
- Unique Name: 21148+3803AGC 13AC
- RA: 21 14 47.49
- Dec: +38 02 43.1
- Discoverer: AGC
- Discoverer Number: 13
- Components: AC
- First year: 1874
- Last year: 2012
- Observations: 11
- First position angle: 262
- Last position angle: 211
- First separation: 15.1
- Last separation: 73.0
- Mag first component: 3.83
- Mag second component: 12.2
- Spectral type: F3V
- Primary proper motion RA: 196
- Primary proper motion DEC: 410
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: NL