Mars in Opposition [1862] as seen near Liverpool, lens 3 ½ inches ; from 92 Original Drawings (titre original)

Mars in Opposition [1864] as seen near Liverpool, lens 6 inches ; from 118 Original Drawings (titre original)

Mars in Opposition [1867] as seen near Liverpool, lens 6 inches ; from 118 Original Drawings (titre original)

Mars in Opposition [1869] as seen near Liverpool, lens 6 inches ; from 90 Original Drawings (titre original)

Mars in Opposition [1871] as seen near Liverpool, lens 6 inches ; from 96 Original Drawings (titre original)

Mars in Opposition [1873] as seen near Liverpool, lens 6 inches ; from 84 Original Drawings (titre original)