21504+1549
- Unique Name: 21504+1549J 3148
- RA: 21 50 25.77
- Dec: +15 48 34.5
- Discoverer: J
- Discoverer Number: 3148
- Components:
- First year: 1944
- Last year: 2001
- Observations: 3
- First position angle: 125
- Last position angle: 132
- First separation: 7.0
- Last separation: 9.6
- Mag first component: 9.13
- Mag second component: 13.0
- Spectral type: G0
- Primary proper motion RA: -6
- Primary proper motion DEC: -59
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +15 4509
- Notes: