19553+3617
- Unique Name: 19553+3617SEI 728
- RA: 19 55 17.33
- Dec: +36 16 49.3
- Discoverer: SEI
- Discoverer Number: 728
- Components:
- First year: 1895
- Last year: 2002
- Observations: 9
- First position angle: 194
- Last position angle: 196
- First separation: 29.9
- Last separation: 29.6
- Mag first component: 11.0
- Mag second component: 11.52
- Spectral type:
- Primary proper motion RA: 7
- Primary proper motion DEC: -10
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +35 3863
- Notes: