The full Empire that was

 

General Photography

“Using computer-vision technology to automate the registration process, one can now for the first time view almost the entire collection of the Prokudin-Gorskii photographs in color. […] The resolution is fairly low […] In addition, the warping process introduces some blur, further degrading the sharpness of the images. Finally, there was no attempt to retouch the images to remove the many scanning artifacts, dirt and other damage that was done to the originals” (source) Hopefully, the extra work needed to get the full set in maximum quality will be done some time.