celestial-bodyCanis MajorCosmosThe greater dog figure holding Sirius. Not Sirius alone, and not a dog-being dump.Canis Major appears in Astrology.Ptolemy’s Tetrabiblos treats the Dog region and its bright star among fixed-star powers of judicial astrology. A named Canis Major figure in that handbook, not sirius alone already filed and not a dog-being dump.from Claudius Ptolemy · Tetrabiblos, c. 150 CEappears in · sourced · documentedsourcesTetrabiblos · Claudius PtolemyPtolemy, Tetrabiblos.