20453+3854
- Unique Name: 20453+3854SEI1239
- RA: 20 45 20.65
- Dec: +38 54 21.2
- Discoverer: SEI
- Discoverer Number: 1239
- Components:
- First year: 1896
- Last year: 2002
- Observations: 6
- First position angle: 34
- Last position angle: 39
- First separation: 23.7
- Last separation: 26.7
- Mag first component: 9.42
- Mag second component: 12.44
- Spectral type: F2
- Primary proper motion RA: 13
- Primary proper motion DEC: 21
- Secondary proper motion RA: 39
- Secondary proper motion DEC: 25
- Durchmusterung: +38 4221
- Notes: L
