From Wikipedia:

“The Cone Nebula is an H II region in the constellation of Monoceros. It was discovered by William Herschel on December 26, 1785, at which time he designated it H V.27. The nebula is located about 830 parsecs or 2,700 light-years away from Earth. The Cone Nebula forms part of the nebulosity surrounding the Christmas Tree Cluster.”

These images are a stacked composite of 18 thirty minute photos taken with a 4 inch Takahashi refractor in Rowe, NM. They were stacked and processed in Maxim DL, Pixinsight, and Photoshop.  The third image shows the nebula without stars.