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PTS
週六 30 9月, 2023 16:39
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2023 September 30 Sun - Solar surface in Ca-K, with AR13440, AR13442, AR13444, AR13445, AR13446, AR13447, AR13448, AR134
回覆: 4
觀看: 1

2023 September 30 Sun - Solar surface in Ca-K, with AR13440, AR13442, AR13444, AR13445, AR13446, AR13447, AR13448, AR134

2023 September 30 Sun - Solar surface in Ca-K, with AR13440, AR13442, AR13444, AR13445, AR13446, AR13447, AR13448, AR13449, AR13450 and possible AR1345a and AR1345b. AR13440 is located at (N18W72). 3 sunspots, embedded in plages, are observed, AR13442 is located at (S09W69). No sunspot is observed, ...
PTS
週六 30 9月, 2023 15:22
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2023 September 30 Sun - Solar surface in white-light, with AR13440, AR13442, AR13444, AR13445, AR13446, AR13447, AR13448
回覆: 6
觀看: 2

2023 September 30 Sun - Solar surface in white-light, with AR13440, AR13442, AR13444, AR13445, AR13446, AR13447, AR13448

2023 September 30 Sun - Solar surface in white-light, with AR13440, AR13442, AR13444, AR13445, AR13446, AR13447, AR13448, AR13449, AR13450 and possible AR1345a and AR1345b. AR13440 is located at (N18W72). 3 sunspots, embedded in faculae, are observed, AR13442 is located at (S09W69). No sunspot is ob...

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