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主題: 1.8 Meter 70-inch amateur telescope 作者: peter 於 2020-10-15 07:00:27 1.8 Meter
https://familystar.org.tw/index.php?option=com_smf&Itemid=35&topic=24900.15 https://www.cloudynights.com/articles/cat/articles/a-visit-to-see-a-giant-in-utah-18-meter-mike-clements-r3163?fbclid=IwAR23v7BEx-ko_x4aKyyMUU6P2i-EPYLP6NAz0RHOWZxbDOS0wvkThJrw2hw http://www.slas.us/patrick2/slas/CLEMENTS04.HTML |