The full image, footage or web text credit must be presented in a clear and readable manner to all users, with the wording unaltered (for example: "IAU". The credit should not be hidden or disassociated from the image footage. Links should be active if the credit is online. See the copyright Q&A section for guidance.
IAU materials may not be used to state or imply the endorsement by IAU or any IAU employee of a commercial product or service;
We suggest a copy of the product sent to us to be indexed in our archive;
If an image includes a picture of an identifiable person, using that image for commercial purposes may infringe that person's right of privacy, and separate permission should be obtained from the individual.
To the uploader: You must provide a link (URL) to the original file and the authorship information if available.