Also known as NGC2174-5, The Monkey Nebula, is a diffused nebula at the tip of Orion's club.
This picture is carried turning a north direction upward, but you'll be able to remind the nebula of a monkey's face when being upside down. It's fairly difficult to appreciate the nebula with naked eyes, but it's very photogenic.
The nebula has a distance of about 3300 light years from the solar system. Around this field is in the winter's milky way, and various gaseous objects like the Rosette Nebula lie scattered in this celestial field.