From the case:
Starfield (photo)

A starfield is a field of view, or a region of the sky that contains stars.
- Author: European Space Agency (ESA/Hubble)
- Original file: http://www.spacetelescope.org/images/heic0607a/
- Modifications: none
- License: This file is licensed under the Creative Commons Attribution 4.0 International license and may on a non-exclusive basis be reproduced without fee provided they are clearly and visibly credited