21157+8114
- Unique Name: 21157+8114MLR 245
- RA: 21 16 20.55
- Dec: +81 13 51.4
- Discoverer: MLR
- Discoverer Number: 245
- Components:
- First year: 1971
- Last year: 2004
- Observations: 7
- First position angle: 49
- Last position angle: 42
- First separation: 1.0
- Last separation: 1.1
- Mag first component: 10.17
- Mag second component: 10.54
- Spectral type:
- Primary proper motion RA: 88
- Primary proper motion DEC: 58
- Secondary proper motion RA: 88
- Secondary proper motion DEC: 58
- Durchmusterung: +80 693
- Notes: