怎從照片上環形山的影之長度知道環形山的高度 ?
怎從照片上環形山的影之長度知道環形山的高度 ?謝謝! First, find out the date & time of the photo exposure
Second, find out the selenographic longitude of the lunar terminator (or its colongitude) from a reliable ephemerides, such as this freeware
http://www.grischa-hahn.homepage.t-online.de/astro/winjupos/
Third, follow the examples in this article for the calculations
http://paganastronomy.net/lunarcrater.html.
Alan Chu (Correct links)
First, find out the date & time of the photo exposure
Second, find out the longitude of the lunar terminator (or its colongitude) from a reliable ephemerides, such as this freeware
http://www.grischa-hahn.homepage.t-online.de/astro/winjupos/
Third, follow the steps in this article for the calculations
http://paganastronomy.net/lunarcrater.html
Alan Chu
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