22540+5604
- Unique Name: 22540+5604STI2891BC
- RA: 22 54 02.15
- Dec: +56 04 06.0
- Discoverer: STI
- Discoverer Number: 2891
- Components: BC
- First year: 1917
- Last year: 2010
- Observations: 4
- First position angle: 135
- Last position angle: 128
- First separation: 9.3
- Last separation: 9.3
- Mag first component: 12.3
- Mag second component: 12.7
- Spectral type:
- Primary proper motion RA: 2
- Primary proper motion DEC: -5
- Secondary proper motion RA: 10
- Secondary proper motion DEC: -3
- Durchmusterung:
- Notes: U