canis major with the dolphin-head nebula (sh 2-308)

wall tile textile tarmac soil pattern number line iron font flooring floor design circle brown black asphalt canis major sh 2-308 nebula constellation hydrogen astrophotography star map dolphin-head nebula stars h region dolphin-head ionised star sky starry night astronomy night sky space universe galaxy cosmos celestial nature night infinite scenic starlight glowing stars peaceful tranquil skyline moonless milky vast background wide field