The Egyptians are one of five ancient cultures that independently and exhaustively carpeted their sky with constellations.
The very earliest of the ancient Egyptians believed that when the pharaoh died, he became a star in a constellation that represented Osiris. Osiris, a mythological character both man and god, was the great hero of Egyptian mythology, and beloved husband of Isis.
This is an important fact to keep in mind when attempting to identify Egypt’s Osiris constellation. There are countless websites stating that the Egyptian constellation of Osiris was the constellation we know today as Orion. This is incorrect. Orion is a Greek constellation, not Egyptian.