This week, the night sky offers the Winter Hexagon, the Great Square of Pegasus, Algol's minimum light, Orion and Gemini, Betelgeuse, and Aldebaran's colors, the waning Moon near Spica, Jupiter's eastward movement, and Sirius, the Dog Star. https://skyandtelescope.org/astronomy-news/observing-news/this-weeks-sky-at-a-glance-january-26-february-4/