Credits: Starry Night Pro Plus 8, researched and implemented by Keith Turnecliff

The star Algol takes its name from an Arabic word meaning “the Demon’s Head.”
This star is said to depict the terrifying snaky head of the Medusa monster.

Facts about Algol by Keith Turnecliff

There are many variable stars known throughout the heavens, but Algol might well be the most famous variable star of them all.
This star brightens and dims with clockwork regularity, completing one cycle in two days, 20 hours, and 49 minutes.
Plus its entire cycle is visible to the eye alone.

This star chart represents a view from Long Itchington for mid-December at 10pm.
Credits: Image courtesy of Starry Night Pro Plus 8, researched and implemented by Keith Turnecliff.