czsky/en/star/Z_Cha.md

name	constellation	created_by	created_date	updated_by	updated_date
Z Cha	Cha	editor.cs	2022-01-21 17:00:00	skybber	2022-01-24 14:47:45.100294

a fainter variable star that only shines as a 16.2mag star at its minimum, so we can only see it in a large telescope. But every three to four months it brightens sharply and within a few hours its brightness rises to 11.5mag. For a few days, we'll see it in a 150mm telescope.