今日星空：8月24日星期一，土卫八（Iapetus）东大距（eastern elongation）

本文介绍了8月24日的观测天象，重点关注土卫八达到东大距。此外，文中还提到了双星北冕座ζ星的观测挑战。

Looking for a sky event this week? Check out our full Sky This Week column.  August 23: Double star Zeta Coronae Borealis This morning’s observation is a challenge, but if you’ve got a large scope or have some astroimaging experience, it’s one you’ll want to try.  Saturn’s moon Iapetus has a two-toned surface, with one hemisphere much Continue reading "The Sky Today on Monday, August 24: Iapetus at eastern elongation" The post The Sky Today on Monday, August 24: Iapetus at eastern elongation appeared first on Astronomy Magazine .