The High Resolution Imaging Science Experiment (HiRISE) at the University of Arizona has put up 1512 amazing close up shots of Mars taken by the the Mars Reconnaissance Orbiter.
Per the HiRISE website:
All of the images produced by HiRISE and accessible on this site are within the public domain: there are no restrictions on their usage by anyone in the public, including news or science organizations. We do ask for a credit line where possible: Image: NASA/JPL/University of Arizona
So noted and credited.
The image shown is a “Layered Alunite-Kaolinite Deposit” and comes with the following helpful information should you be focusing your telescope or thinking of a trip off planet:
|Acquisition date:||07 April 2009||Local Mars time:||3:30 PM|
|Latitude (centered):||-30.2 °||Longitude (East):||202.9 °|
|Range to target site:||255.9 km (159.9 miles)||Original image scale range:||25.6 cm/pixel (with 1 x 1 binning) so objects ~77 cm across are resolved|
|Map projected scale:||25 cm/pixel and north is up||Map projection:||EQUIRECTANGULAR|
|Emission angle:||0.9°||Phase angle:||48.4°|
|Solar incidence angle:||48°, with the Sun about 42° above the horizon||Solar longitude:||242.2°, Northern Autumn|