Messier & Messier A
Messier & Messier A - Craters created by a glancing impact - object(s) struck at less than 15 degrees. Note the "butterfly" ray system also characteristic of low angle impacts. 12.5" f/5.1 newtonian, TeleVue 2x barlow, ASI 290mc, 685 nm filter. See lroc.sese.asu.edu/posts/1136 for more information and high-resolution images captured by the Lunar Reconnaisance Orbiter Camera (LROC).
Messier & Messier A
Messier & Messier A - Craters created by a glancing impact - object(s) struck at less than 15 degrees. Note the "butterfly" ray system also characteristic of low angle impacts. 12.5" f/5.1 newtonian, TeleVue 2x barlow, ASI 290mc, 685 nm filter. See lroc.sese.asu.edu/posts/1136 for more information and high-resolution images captured by the Lunar Reconnaisance Orbiter Camera (LROC).