CHAMÄLEON + ONJALA OBSERVATORY Moon images
2018
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Single images moon from July to September 2018

Special presentations 2018

To load of the summary pictures of other quarters simply click left on the appropriate area.
Descriptions of the individual images can be found in this table. Special details are labeled in the large image presentations. Image orientation: South top, East left.

Click on the respective thumbnail to load an large image. The images are each displayed in a separate Browser window.
Images - SUN
Images - MOON
Images - SOLAR SYSTEM
Images - DEEPSKY
Images - WIDEFIELD
Images - MISCELLANEOUS
Images - SPEC. PROJECTS
 
Formation Image description
 
Albategnius The eastern crater wall of the almost 140 km large crater Albategnius casts spectacular shadows on the crater floor. To the east (left) lies the strangely shaped Ritchey crater, which is certainly the result of a multiple impact.
Bessel The picture shows the 17 km large crater Bessel in the Mare Serenitatis over which a bright strip of ejecta material lies vertically in the picture, which cannot be assigned to any impact. At the bottom right of the picture is the 3 km Linne crater, which has played a role in historical moon observations in the question "are there fast changes on the lunar surface". He was seen by different observers, by others again not or in other forms.
Clavius The photo shows the 225 km large Clavius crater at sunrise. Three mountain peaks cast long shadows on the crater floor.
Cleomedes The picture shows the northern crater wall of Mare Crisium and further north the 130 km large crater Cleomdes. On the crater floor lies the Rimae Cleomedes groove system, which is extremely difficult to observe due to the perspective distortion. Along the main groove lie some of the so-called Dark Halo Craters (DHC), which are surrounded by pyroclastic ash deposits.
Dyonisius The picture shows the 18 km large crater Dyonisius in the middle of the picture, which is surrounded by a ray system alternately by bright and dark material. It is the only crater on the nearsside of the moon that has such a ray system. To the east are the Sabine and Ritter craters. To the north the scene shows the eastern end of Rima Ariadaeus and further north the two shield volcanoes Aridaeus 1 (smaller) and Julius Caesar 1 (circle marking).
Rima Hadley The picture shows an overview of the landing site of Apollo 15 at the Hadley rill, an old lava canal. The Apennine peaks cast black shadows on the lava surface of Palus Putredinus.
Hipparchus The photo shows the nearly 150 km large heavily eroded crater Hipparchus. The southeastern crater wall a mountain top in the middle of the crater cast shadows at sunrise. The large crater that interrupts the northern crater wall is Horrocks.
Humboldt The 200 km large Humboldt crater, photographed under optimal libration conditions. The three large fresh lava flows and the complex groove system are clearly visible in the image. The image shows - labeled with 1 - one of the rare concentric double craters on the nearside of the moon. An incredible view.
Rima Hyginus Rima Hyginus, an old delivery channel of lava flow at sunrise. To the north the pyroclastic ash area Mare Vaporum and to the south (top of the picture) the northern foothills of the Rimae Triesnecker.
Imbrium Sculpture The picture shows the region around the craters Julius Caesar, Boscovich and Manilius. The radial structures below almost under 45 degrees in the image are formations that can be traced back to the impact that Mare Imbrium created. According to the American geologist Gilbert, these formations have been named "Imbrium Sculpture" since 1893.
Lyot The picture shows the 140 km large crater Lyot in the Mare Australe under optimal libration conditions.
Montes Caucasus The scene shows - north of the crater Cassini - the mountain range of the Montes Caucasus. The high mountain peaks and the Mons Piton cast spectacularly long shadows on the relatively smooth lava surface of the Mare Crisium.
Maurolycus The picture shows the 115 km large crater Maurolycus. A large part of the crater floor is still in the shadow, the highest parts of the central mountain range are already shining in the sunlight.
Posidonius The almost 100 km large crater Posidonius at sunrise. With this illumination you can clearly see the different structure of the crater bottom, smooth in the southwest and otherwise mountainous and rough. The crater walls of Posidonius and south of Chacornac and Le Monnier cast shadows on the lava surface of Mare Serenitatis.
Ptolemaeus The image shows the 150 km large crater Ptolemy at sunrise. The many small craters on the ground are not yet visible with this illumination but numerous depressions in the crater floor become visible. A part of the eastern crater wall casts a shadow up to the 8 km large crater Ammonius. Directly at the northeastern crater wall of Ptolemy there is a small, nameless crater chain. At the top of the picture the peak of the central mountain of Alphonsus is already in sunlight.
Erathostenes The ghost crater Stadius west of Erathostenes and the secondary crater of Copernicus Impact at sunrise.
Stöffler The picture shows the two craters Stöffler and Faraday, whose impact destroyed the eastern crater wall of Stöffler. The western crater wall casts shadows on Stöffler's ground.
Sulpicius Gallus The picture shows the southwestern part of the Mare Serenitatis. In the smooth lava surface lies the structure Vallis Krishna (circle marking), a valley-like structure just 3km long. South of it lies the Pyroclastic Sulpicius Gallus, a region characterized by pyroclastic volcanism, with its pronounced groove system. Top left in the picture structures of the "Imbrium Sculpture" are shown.
Theophilus + Catharina The photo shows the craters Mädler, Theophilus and Catharina at sunrise. Beaumont L is a so-called Dark Halo crater, its diameter is just 4 kilometers. West of Theophilus the 4 km high mountain Mons Penck casts its shadow.
Rimae Triesnecker The picture shows the 27 km large Triesnecker crater with its pronounced groove system at sunrise. To the north is the 10 km volcanic Caldera Hyginus. While the Rima Hyginus is a former lava flow channel, the Rimae Triesnecker are tectonic fault zones.
Walther The scene shows the three craters Nonius (70 km), Aliacensis (80 km) and the 140 km large crater Walther with its central mountain, which casts a spectacular shadow on the crater floor.
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All Images and all Content are © by Franz Hofmann + Wolfgang Paech