21577-1827
- Unique Name: 21577-1827HJ 3070
- RA: 21 57 44.09
- Dec: -18 27 38.8
- Discoverer: HJ
- Discoverer Number: 3070
- Components:
- First year: 1830
- Last year: 2013
- Observations: 9
- First position angle: 275
- Last position angle: 283
- First separation: 15.0
- Last separation: 30.1
- Mag first component: 11.34
- Mag second component: 11.44
- Spectral type:
- Primary proper motion RA: 13
- Primary proper motion DEC: -10
- Secondary proper motion RA: -3
- Secondary proper motion DEC: 14
- Durchmusterung: -19 6194
- Notes: L
