Abstract
ON April I last I saw, between Landsberg and Rheinhold, a small but very remarkable crater, which does not appear in Schmidt's map. It is situated east of a line joining the centres of the above craters, and at rather more than a third of the distance from the former to the latter. Either closely adjoining, or in the position of the small crater, there is an isolated hill within the angle of a forked ridge as shown by Schmidt, who must, undoubtedly, have noticed the crater if it existed at the time of his observation. Might it be that the hill seen by him subsequently opened out as a crater? I remarked neither the hill nor the ridge, but these, like many of Schmidt's objects, might be above my telescopic power, so I cannot say whether the crater is identical with the hill or not. Nearer Rheinhold there is a smaller crater not in Schmidt, who, however, shows a similar one that I failed to see not far off to the south. This may be only a case of misplacement in the map.
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BIRMINGHAM, J. Lunar Crater. Nature 20, 121 (1879). https://doi.org/10.1038/020121b0
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DOI: https://doi.org/10.1038/020121b0
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