21091+3531
- Unique Name: 21091+3531POP 26
- RA: 21 09 07.48
- Dec: +35 32 28.4
- Discoverer: POP
- Discoverer Number: 26
- Components:
- First year: 1941
- Last year: 2002
- Observations: 9
- First position angle: 239
- Last position angle: 242
- First separation: 5.0
- Last separation: 4.8
- Mag first component: 11.03
- Mag second component: 12.0
- Spectral type:
- Primary proper motion RA: 15
- Primary proper motion DEC: 10
- Secondary proper motion RA: -46
- Secondary proper motion DEC: -11
- Durchmusterung:
- Notes: