今日星空：8月19日星期三，螺旋星云

本文介绍了8月19日的观测指南，重点关注螺旋星云。文中提到了上弦月对观测条件的影响，并建议读者查阅完整的每周星空专栏。

Looking for a sky event this week? Check out our full Sky This Week column.  August 18: Stars and sparklers First Quarter Moon occurs at 10:46 p.m. EDT. The Moon is up nearly all evening, not setting until after 11 P.M. local daylight time, so our viewing options are a bit more limited, with only a short Continue reading "The Sky Today on Wednesday, August 19: The Helix Nebula" The post The Sky Today on Wednesday, August 19: The Helix Nebula appeared first on Astronomy Magazine .