CowParade New England is a public art event featuring life-size cow sculptures, which are painted and transformed by local artists, displayed throughout the city of Boston for residents and tourists to visit, and sold for the benefit of The Jimmy Fund and Dana-Farber Cancer Institute.

Aster is a cow that explores the duality of the day and night skies. From the Greek word for "star," the name Aster also is a type of flower. The Day side of Aster will include a parade of blooms, while the Night will include stars making this cow an homage to both meanings of the name.