The DSS data are all copyrighted material and are subject to the following restrictions on their use.

Scientists and educators who are using these data for research, teaching purposes and other non-profit activities may freely use these data and we only request that you acknowledge the source in any publication.

Authors who wish to use DSS images as illustrations in textbooks or popular astronomy books should note that the different photographic survey images have different copyright holders. If you wish to use an image from the POSS-II (northern sky surveys) or UKSTU/AAO (southern sky surveys) you should contact those institutions directly for permission. If you wish to use an image from the POSS-I or QV surveys you should contact STScI.

Commercial use of these data is prohibited without permission.
Please contact STScI for further information.