21090+3652
- Unique Name: 21090+3652LDS5917
- RA: 21 09 01.38
- Dec: +36 52 11.7
- Discoverer: LDS
- Discoverer Number: 5917
- Components:
- First year: 1960
- Last year: 1998
- Observations: 2
- First position angle: 270
- Last position angle: 266
- First separation: 6.0
- Last separation: 5.5
- Mag first component: 20.0
- Mag second component: 20.4
- Spectral type:
- Primary proper motion RA: -174
- Primary proper motion DEC: -157
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung:
- Notes: