10월의 천체 관측 대상들 10월의 천체 관측 대상들.The celestial objects in the October Sky. 염범석(Bum-Suk Yeom). http://cometsky.com/astrophotos/observing_objects_10_october_bsyeom_final_web.jpg Large size:http://cometsky.com/astrophotos/observing_objects_10_october_bsyeom_final_large.jpg 2018. 10. 2. 이전 1 다음