Constellation of the moon occurs when group of stars form recognizable pattern with close proximity to the moon. This group of stars usually form apparent or identified images and shapes named mythological figure. Modern astronomers divide the sky into eighty-eight constellations with defined boundaries.
It can easily be defined as a group or cluster of related stars.

Recent discovery identified new extensions of clusters of stars on Aries which is the period during the months of March and April around the 20th of each month and that of Scorpio from the period of October and November from the 22nd day of the month.