czsky/en/star/hr4399.md

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---
name: ι Leonis
constellation: Leo
created_by: 8mag
created_date: 2022-01-21 17:00:00
updated_by: skybber
updated_date: 2022-02-07 15:39:36.413071
---
a remarkable double star. The two components with brightnesses of 4.1mag and 7.0mag orbit each other in about 180 years. In 1985, they were 1.3" apart, but they begin to drift apart, reaching 1.7" by the year 2000, making the binary resolvable in at least a 10 cm telescope.