21045+2807
- Unique Name: 21045+2807MLB 665
- RA: 21 04 31.18
- Dec: +28 07 10.7
- Discoverer: MLB
- Discoverer Number: 665
- Components:
- First year: 1930
- Last year: 2012
- Observations: 5
- First position angle: 327
- Last position angle: 327
- First separation: 7.5
- Last separation: 8.4
- Mag first component: 12.5
- Mag second component: 13.5
- Spectral type:
- Primary proper motion RA: 7
- Primary proper motion DEC: 4
- Secondary proper motion RA: 6
- Secondary proper motion DEC: 5
- Durchmusterung:
- Notes:
