群星 经过 拜伦特罗姆 上 March 12, 20192023 年 11 月 25 日 Stellarium is a free open source planetarium for your computer.
康星 经过 拜伦特罗姆 上 February 24, 20192023 年 11 月 25 日 KStars is a Desktop Planetarium by KDE. It provides an accurate graphical simulation of the night sky, from any location on Earth, at any date and time.