在沃夫洞穴里

2019 September 7 In Wolf’s Cave Image Credit & Copyright: Charlie Bracken, Mladen Dugec, Max Whitby Explanation: The mysterious blue reflection nebula found in catalogs as VdB 152 or Ced 201 really is very faint. It lies at the tip of the long dark nebula Barnard 175 in a dusty complex that has also been called Wolf’s Cave. At the center of t...