Graphite sketch, Hold, Moon Rimae Sirsalis Általa: Bognár Tamás 2012.09.16. 2012.09.16. amatőr csillagász, astronomie, Dr. Johannes Schilling, graphite sketch, Lonsee, Moon, Rimae, Rimae Sirsalis Pencil sketch. 254mm Newton, 266X. April 14th, 2003 Observer: Dr. Johannes Schilling, Lonsee
