EarthSky Tonight—October 15, See the sky’s brightest star, Sirius, before dawn
Sirius appears to flash different colors when it is low in the sky . . . really, all the stars are flashing different colors.
EarthSky Tonight—August 25, Orion the Hunter and Sirius the Dog Star
Orion will be visible in the evening by winter, but right now the Hunter lords over the southeastern sky at dawn’s first light.