Is it possible to not get the daedric artifact from The Taste of Death quest and still get the Achievement for getting 15 artifacts, since i really really do not want to do what is required to get the artifact for that quest if i can avoid it.

http://www.uesp.net/wiki/Skyrim:Ill_Met_By_Moonlight. Provided you haven't finished it yet and only taken one artifact or the other.