21384+2953
- Unique Name: 21384+2953MLB 491
- RA: 21 38 29.40
- Dec: +29 54 00.4
- Discoverer: MLB
- Discoverer Number: 491
- Components:
- First year: 1895
- Last year: 2002
- Observations: 5
- First position angle: 71
- Last position angle: 36
- First separation: 1.9
- Last separation: 4.5
- Mag first component: 11.0
- Mag second component: 12.0
- Spectral type:
- Primary proper motion RA: -2
- Primary proper motion DEC: -33
- Secondary proper motion RA: 17
- Secondary proper motion DEC: 9
- Durchmusterung:
- Notes: