©
Pro-Am Collaborative Astronomy: 19821224_unknown_HaleA_sketch
©
Pro-Am Collaborative Astronomy: 20150812_unknown_HaleAlan_67P
©
Pro-Am Collaborative Astronomy: 20161205_050600UT_HaleAlan_45P
©
Pro-Am Collaborative Astronomy: 20161224_unknown_HaleAlan_45P
©
Pro-Am Collaborative Astronomy: 20170204_unknown_HaleA_45P