100% premium quilting cotton. Moda Astra by Janet Clare for Moda Fabrics. This collection of cotton fabrics is a unique twist on our galaxy and all the different constellations in a beautiful array of blues and creams. The Astra collection is a sketchbook of doodle stars, constellations and galaxies with ink and bleach. Astra will encourage you to create quilts for all the star gazers in your life.