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The Winter triangle
P = Procyon(Canis Minor)
B= Betelgeuse(Orion)
S= Sirius(Canis Major)
To the right of Orion, (top corner), you can see the bright star Aldebaran of Taurus and good old Planet Mars(M) to its right. You can also see the star, Alhena of Gemini above the traingle