21417+1735
- Unique Name: 21417+1735OSO 153
- RA: 21 41 40.19
- Dec: +17 35 16.0
- Discoverer: OSO
- Discoverer Number: 153
- Components:
- First year: 1994
- Last year: 2001
- Observations: 4
- First position angle: 205
- Last position angle: 203
- First separation: 18.6
- Last separation: 17.4
- Mag first component: 13.38
- Mag second component: 15.7
- Spectral type:
- Primary proper motion RA: -109
- Primary proper motion DEC: -155
- Secondary proper motion RA: 12
- Secondary proper motion DEC: -10
- Durchmusterung:
- Notes: N