21574+4042
- Unique Name: 21574+4042ES 1694
- RA: 21 57 27.04
- Dec: +40 42 06.7
- Discoverer: ES
- Discoverer Number: 1694
- Components:
- First year: 1917
- Last year: 2002
- Observations: 5
- First position angle: 71
- Last position angle: 65
- First separation: 1.7
- Last separation: 1.8
- Mag first component: 10.43
- Mag second component: 11.57
- Spectral type:
- Primary proper motion RA: 10
- Primary proper motion DEC: -7
- Secondary proper motion RA: 10
- Secondary proper motion DEC: -7
- Durchmusterung: +40 4681
- Notes: