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2013 Aug 28 Sun -prominences on NE limb

[複製連結]
發表於 2013-9-10 12:59:31 | 顯示全部樓層 |閱讀模式
Telescope: AP Starfire EDT 155 mm f/9.
stopped to 50 mm for disc images, with 4X telecentric lens (f/36) for closeups
filter: Solar Spectrum SO1.5/0.3A with CERF prefilter
Camera: Imperx 4M15
North is up, and east to the left

PTS
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