Full resolution of new Sputnik image.
The full resolution version of the new Victoria image has been released:
HiRISE | Opportunity Rover Tracks at Victoria Crater (PSP_004289_1780).
http://hirise.lpl.arizona.edu/PSP_004289_1780
The second rim is still not visible. I attached a cropped portion of the full image, zoomed in on Sputnik. I rotated it 90 degrees clockwise to make it clearer it's a depression in the ground.
I don't know why Sputnik looks so different in the two Hirise images. It's not the filter used since they were both taken with the red filter.
Bob Clark
