SDSS DR15 catalog data now available for download!
The Sloan Digital Sky Survey's Data Release 15 catalog database, BestDR15 is available to mirror sites for download.
The DR12 database is available for FTP download from JHU, the compressed data download size is 6.5 TB, whereas the uncompressed database requires 12 TB of storage.
You can download an example of the restore script here.
There is also an ZIP of the SkyServer website available. This is intended for those working on mirrors or translations. Please click on the Website page in the menu to download the SkyServer website.