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

Sirius is the brightest star in the sky and is the luminary of the constellation Canis Major, the greater dog, which represents
Orion's larger hunting dog and as such is refered to as the 'Dog Star'. 

Facts about Sirius by Keith Turnecliff

Because of its brilliance, Sirius is the champion of all twinklers, the effect caused by variable refraction in the Earth's atmosphere. 

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.