The first in an intended series of studies of the canonical corpus of celestial omens, Enuma Anu Enlil. Tablet 63, the 'Venus' tablet, forms the basis of this study. Enuma Anu Enlil is the name by which the series of celestial omens was known to the Babylonians. The canonical corpus of celestial omens was divided by the ancient Babylonian scribes into about 70 tablets. Tablet 63 is of special interest to historians concerned with the chronology of the First Babylonian Dynasty.