Concentric crater Archytas G (bigger one) and a smaller unnamed crater, also with signs of concentricity, on the Moon, in Mare Frigoris, on a volcanic dome (look <a rel="nofollow" class="external text" href="http://www.lpi.usra.edu/meetings/lpsc2009/pdf/1091.pdf">Wöhler &amp; Lena, 2009</a>). Diameter of Archytas G is 7.3 km. It is number 1 in <a rel="nofollow" class="external text" href="http://articles.adsabs.harvard.edu//full/1978LPI.....9.1264W/0001266.000.html">the list of concentric craters by Wood, 1978</a> (the smaller one is not included). Photo by <a href="https://en.wikipedia.org/wiki/Lunar_Reconnaissance_Orbiter" class="extiw" title="en:Lunar Reconnaissance Orbiter">Lunar Reconnaissance Orbiter</a>, made with Wide Angle Camera on 24 January 2011 from altitude 40 km. Sun elevation is 17.4°. Width of the photo is 16 km, north is approximately up.
NASA
2011-01-24
Image <a rel="nofollow" class="external text" href="http://wms.lroc.asu.edu/lroc/view_lroc/LRO-L-LROC-2-EDR-V1.0/M150518654CE">M150518654CE</a> by <a href="https://en.wikipedia.org/wiki/Lunar_Reconnaissance_Orbiter" class="extiw" title="en:Lunar Reconnaissance Orbiter">Lunar Reconnaissance Orbiter</a>, processed with LROC WAC Previewer (v1.6.1). 5th band (wavelength 604 nm) was used; "vertical travel" parameter was set to 11px. Brightness and contrast were increased.