21148+3803
- Unique Name: 21148+3803AGC 13AB
- RA: 21 14 47.49
- Dec: +38 02 43.1
- Discoverer: AGC
- Discoverer Number: 13
- Components: AB
- First year: 1874
- Last year: 2013
- Observations: 346
- First position angle: 163
- Last position angle: 213
- First separation: 1.1
- Last separation: 0.9
- Mag first component: 3.83
- Mag second component: 6.57
- Spectral type: F3V F7V
- Primary proper motion RA: 196
- Primary proper motion DEC: 410
- Secondary proper motion RA: 159
- Secondary proper motion DEC: 431
- Durchmusterung: +37 4240
- Notes: NOD
