Dreyer's Nebula

Dreyer's Nebula (IC 447) is a reflection nebula in the constellation of Monoceros. Two other reflection nebulae (NGC 2245 and 2247) are situated close by, with surrounding lanes of dark dust. Visible towards the lower right of the image is the edge of the hydrogen region around the Cone Nebula and Christmas Tree Cluster.

 https://astrob.in/xbj8og/0/