Free star images are available online from Hubble Site, Dreamstime and Shutterstock, as of 2015. An additional online resource for free star images is FreeDigitalPhotos.net.
The Hubble Site offers free downloads of high-resolution photos taken of stars and star clusters. Images of galaxies, nebulae and solar systems are also available. Dreamstime features free images of star-themed graphics and images of real stars. Images of starfish and Christmas-themed stars are also available.
Shutterstock offers images of nautical, Celtic and religious stars. Images of the night sky with stars are also featured. These images may be used as computer backgrounds or templates for art.