Abstract
Hansteen (27 miles) is a shallow crater with walls a little higher than ½ mile. The floor is rough and has some small hills. This formation sits on a slightly upraised area in the extreme southwest area of Oceanus Procellarum, the Ocean of Storms. Look for it about 4 days after first quarter. The following three formations are a little further west and best viewed a day later then Hansteen.
Sirsalis (25 miles) is a prominent crater west and north of Hansteen. On the photo it is the just above its label and is shadow filled. I estimate it at about 1 mile deep and there is a central mountain.
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© 2009 Springer Science+Business Media, LLC
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Spain, D. (2009). Hansteen. In: The Six-Inch Lunar Atlas. Astronomer's Pocket Field Guide. Springer, New York, NY. https://doi.org/10.1007/978-0-387-87610-8_58
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DOI: https://doi.org/10.1007/978-0-387-87610-8_58
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