Hommel
Contents
Hommel
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Lat: 54.7°S, Long: 33.8°E, Diam: 126 km, Depth: 5.05 km, [/R%C3%BCkl%2075 Rükl: 75] |
Table of Contents
Cristina Cellini Large crater on the left, almost covered by smaller craters!
Images
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Maps
([/LAC%20zone LAC zone] 127B3) LAC map Geologic map
Description
Description: Elger
([/IAU%20Directions IAU Directions]) HOMMEL.--Adjoins [/Vlacq Vlacq] on the S. It is a somewhat larger and a far more irregular formation. On every side except the E., where the border is unbroken, and descends with a gentle slope to the dark interior; ring- plains and smaller depressions encroach on its outline, perhaps the most remarkable being Hommel a on the N., which has an especially brilliant wall, that includes a conspicuous central mountain, a large crater, and other details. The best phase for observing Hommel and its surroundings is when the E. wall is just within the evening terminator.
Description: Wikipedia
Additional Information
Depth data from [/Kurt%20Fisher%20crater%20depths Kurt Fisher database]
- Westfall, 2000: 5.05 km
- Cherrington, 1969: 2.8 km
- Satellite craters Hommel A, J and R are on the [/ALPO%20list%20of%20bright%20ray%20craters ALPO list of bright ray craters].
Nomenclature
- Named for Johann Hommel (1518 - 1562), a German astronomer and mathematician. In 1552 or 1553, Richard Cantzlar introduced transversal dot lines in graduations. It was a variant of the zigzag line system introduced by Hommel. [/Tycho Tycho] Brahe obtained the zigzag line system from Hommel.
- According to [/Whitaker Whitaker] (p. 213), this name was introduced (in the form Homelius) by [/Riccioli Riccioli]; however the feature labeled with that name on Riccioli's map is what we now call [/Pitiscus Pitiscus]. When, and by whom, the name Hommel became associated with the present feature is not entirely clear (from Whitaker's book). - JimMosher JimMosher
LPOD Articles
Bibliography
A Portfolio of Lunar Drawings (Harold Hill), pages 194, 195.
This page has been edited 1 times. The last modification was made by - tychocrater tychocrater on Jun 13, 2009 3:24 pm - afx3u2
