While children dress up as ghosts and goblins for halloween and get their bags and orange plastic pumpkins filled with candy, there's a ghoul in the night sky above and it's called Algol, the DemonStar.
During October 2025, Venus continues to be the “MorningStar” in the east before dawn, albeit lower in the sky but still bright ... In October, be on the lookout for Algol — the “Demon Star” — so named because of its regular change in brightness.