ngc 2174, the monkey head nebula with ic 2159 nebulosity. ngc 2174 is an emission nebula located in the orion constellation. - 發射星雲 個照片及圖片檔
the owl nebula, a planetary nebula in ursa major. its round shape along with the placement of two large dark eyes suggest the face of a staring owl. - 發射星雲 個照片及圖片檔
the bubble nebula (ngc 7635) is a h ii region emission nebula in the constellation cassiopeia. - 發射星雲 個照片及圖片檔
the crescent nebula, also known as ngc 6888, is an emission nebula in the cygnus constellation. - 發射星雲 個照片及圖片檔
