czsky/en/star/hr4399.md

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---
name: ι Leonis
constellation: Leo
created_by: editor.cs
created_date: 2023-11-05 18:08:21.984348
updated_by: editor.cs
updated_date: 2023-11-05 18:08:21.984352
---
remarkable binary star. Two components with magnitudes of 4.1 and 7.0 orbit each other approximately every 180 years. In 1985, they had a separation of 1.3", but they are starting to move away from each other and by the year 2000, they had already reached a separation of 1.7", making the binary star distinguishable in at least a 10 cm telescope.