2021년 7월의 천체 관측 대상들 Celestial objects to observe in July 2021 2021년 7월의 천체 관측 대상들. Celestial objects to observe in July 2021 (37°N). 염범석. Bum-Suk Yeom. http://cometsky.com/astronews/2021_07_july_skyobject_med_bsyeom.jpg Large photo: http://cometsky.com/astronews/2021_07_july_skyobject_large_bsyeom.jpg 2021. 7. 5. 이전 1 다음