You are not protected by anything here. I advise that you not abuse, share knowledge of, or attempt to find a loophole in copyrights; they are not to be toyed with, and can be costly. Take every precaution and zero risks.
You're right, linking in ScienceDaily was a mistake. It's really not a thing that shouldn't be taken seriously.
Image Use Policy
In keeping with the spirit of the Internet, the information and images on this website may be used for noncommercial and educational purposes. In other words, an Internet user may download a file and share it with others where no personal or commercial gain is involved.
COMMERCIAL PUBLICATION OR EXPLOITATION OF THESE MATERIALS IS SPECIFICALLY PROHIBITED.
The CfA's goal is to provide our electronic audience with information and images about the ongoing research in astronomy and astrophysics carried out in our observing and laboratory programs.
We encourage the use of these materials for noncommercial educational or informational purposes. However, for example, their inclusion on a CD-ROM, public domain or otherwise, is prohibited. Similarly, permission for use of these files in other media--print or electronic--must be requested in advance and is granted on a case-by-case basis.
Ok, found the original (public) source, changed the reference link, quoted their Image use policy -- I hope it's all satisfactory now; there is no commercial or media use involved as far as I know..
Hey, just noticed that the description of the unupped card and the card itself don't match. The card says Nova and the description says Supernova.
Thanks, Luminous, fixed it.