2024 July 08 Sun - Solar surface in Ca-K, with AR13733, AR13734, AR13735, AR13736, AR13738, AR13739, AR13740 and AR13741

各類觀測太陽的儀器介紹及太陽攝影 Solarmax
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2024 July 08 Sun - Solar surface in Ca-K, with AR13733, AR13734, AR13735, AR13736, AR13738, AR13739, AR13740 and AR13741

文章 PTS » 週一 08 7月, 2024 23:10

2024 July 08 Sun - Solar surface in Ca-K, with AR13733, AR13734, AR13735, AR13736, AR13738, AR13739, AR13740 and AR13741.
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Sunspot count ; group=7, sunspot=40, R=110
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Telescope:
Sharpstar AL80 II refractor, ED Triplet. 500 mm f/6.25, with 3X Explore Scientific telecentric lens.
Camera : ASI1600 MM Pro, cooled to -3.5C
Filters: Lunt Ca-K module B1200
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approximately north is up, east to the left.
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