21538+2856
- Unique Name: 21538+2856MLB 495
- RA: 21 53 37.42
- Dec: +28 57 47.3
- Discoverer: MLB
- Discoverer Number: 495
- Components:
- First year: 1926
- Last year: 2010
- Observations: 6
- First position angle: 141
- Last position angle: 132
- First separation: 4.6
- Last separation: 4.8
- Mag first component: 10.2
- Mag second component: 10.3
- Spectral type:
- Primary proper motion RA: -13
- Primary proper motion DEC: 9
- Secondary proper motion RA: 19
- Secondary proper motion DEC: -14
- Durchmusterung:
- Notes:
