2020년 12월의 천체 관측 대상들 Celestial objects to observe in December 2020 2020년 12월의 천체 관측 대상들. Celestial objects to observe in December 2020. 염범석. Bum-Suk Yeom. http://cometsky.com/astronews/2020_12_dec_skyobject_web_bsyeom.jpg Large photo: http://cometsky.com/astronews/2020_12_dec_skyobject_large_bsyeom.jpg 2020. 12. 6. 겨울철 별자리 성도 Winter constellation chart 겨울철 별자리 성도. Winter constellation chart. 염범석. Bum-Suk Yeom. http://cometsky.com/astronews/winter_skymap_001_bsyeom.jpg http://cometsky.com/astronews/winter_skymap_002_bsyeom.jpg 2020. 12. 6. 이전 1 다음