21491+4242
- Unique Name: 21491+4242ARG 95
- RA: 21 49 07.73
- Dec: +42 41 34.8
- Discoverer: ARG
- Discoverer Number: 95
- Components:
- First year: 1895
- Last year: 2010
- Observations: 10
- First position angle: 341
- Last position angle: 338
- First separation: 24.5
- Last separation: 23.3
- Mag first component: 10.31
- Mag second component: 11.18
- Spectral type: A
- Primary proper motion RA: 7
- Primary proper motion DEC: 3
- Secondary proper motion RA: 3
- Secondary proper motion DEC: -11
- Durchmusterung: +42 4219
- Notes: