21183+4244
- Unique Name: 21183+4244HJ 1634
- RA: 21 18 17.00
- Dec: +42 44 04.3
- Discoverer: HJ
- Discoverer Number: 1634
- Components:
- First year: 1828
- Last year: 2004
- Observations: 16
- First position angle: 133
- Last position angle: 142
- First separation: 25.0
- Last separation: 28.6
- Mag first component: 9.32
- Mag second component: 9.53
- Spectral type: K0
- Primary proper motion RA: 2
- Primary proper motion DEC: 0
- Secondary proper motion RA: -7
- Secondary proper motion DEC: -31
- Durchmusterung: +42 4051
- Notes: N
