21434+3817
- Unique Name: 21434+3817S 799AC
- RA: 21 43 25.63
- Dec: +38 17 01.0
- Discoverer: S
- Discoverer Number: 799
- Components: AC
- First year: 1894
- Last year: 2011
- Observations: 10
- First position angle: 319
- Last position angle: 318
- First separation: 133.6
- Last separation: 135.3
- Mag first component: 5.69
- Mag second component: 10.24
- Spectral type: A0V
- Primary proper motion RA: 34
- Primary proper motion DEC: -5
- Secondary proper motion RA: 11
- Secondary proper motion DEC: -6
- Durchmusterung:
- Notes: N
