麒麟座的丝带
2022年3月18日 A Filament in Monoceros Image Credit & Copyright: Giorgio Ferrari Explanation: Bluish reflection nebulae seem to fill this dusty expanse. The sharp telescopic frame spans over 1 degree on the sky toward the faint but fanciful constellation Monoceros, the Unicorn. Seen within the Monoceros R1 cloud complex some 2,500 light-years away, bluish I...