Likely the first reported protoplanetary nebula IRAS 18443-0231 related to very high energy emission. Proto-Planetary Nebula: IRAS 18443-0231 It is considered as a proto-planetary nebula, which is a transitional phase between the late stages of a star’s life and the formation of a planetary nebula. https://twitter.com/AstroArxiv/status/1810886477481705855 Location IRAS 18443-0231 is located almost at the center…