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PTS
週三 28 7月, 2021 22:05
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2021 July 28 Sun - Huge prominences on the NW solar limb
回覆: 1
觀看: 115

2021 July 28 Sun - Huge prominences on the NW solar limb

2021 July 28 Sun - Huge prominences on the NW solar limb The Ca-K and H-alpha images are very similar. sunspot count: group=1, sunspot=2, R=12 For H-alpha images: Telescope: Lunt LS50T with B1200 blocking filter + 2X barlow Camera : ASI174MM exposure: 25.0 ms For Ca-K images: Telescope: Sharpstar AL...
PTS
週三 28 7月, 2021 21:51
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2021 July 28 Sun - Huge prominences on the SE solar limb
回覆: 1
觀看: 109

2021 July 28 Sun - Huge prominences on the SE solar limb

2021 July 28 Sun - Huge prominences on the SE solar limb This "double" jet shoot up to great height. The Ca-K and H-alpha images are very similar. sunspot count: group=1, sunspot=2, R=12 For H-alpha images: Telescope: Lunt LS50T with B1200 blocking filter + 2X barlow Camera : ASI174MM exposure: 25.0...
PTS
週三 28 7月, 2021 21:39
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2021 July 28 Sun - prominences on the SW solar limb
回覆: 2
觀看: 93

2021 July 28 Sun - prominences on the SW solar limb

2021 July 28 Sun - prominences on the SW solar limb sunspot count: group=1, sunspot=2, R=12 For H-alpha images: Telescope: Lunt LS50T with B1200 blocking filter + 2X barlow Camera : ASI174MM exposure: 20.0 ms For Ca-K images: Telescope: Sharpstar AL-80 II, 8 cm f/6.25 APO refractor Camera : ASI174MM...
PTS
週三 28 7月, 2021 18:02
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2021 July 28 Sun - solar surface H-alpha, with AR12844, AR12846, AR12847, AR12848 and AR12849
回覆: 2
觀看: 100

2021 July 28 Sun - solar surface H-alpha, with AR12844, AR12846, AR12847, AR12848 and AR12849

2021 July 28 Sun - solar surface H-alpha, with AR12844, AR12846, AR12847, AR12848 and AR12849 AR12844 is located at (S43W84). A few strips of plages are visible.. AR12846 is located at (N24W35). Patches of bright plages and plenty of filaments are visible. AR12847 is located at (S28W16). Plages and ...
PTS
週三 28 7月, 2021 17:13
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2021 July 28 Sun - solar surface in Ca-K, with AR12844, AR12846, AR12847, AR12848 and AR12849
回覆: 3
觀看: 136

2021 July 28 Sun - solar surface in Ca-K, with AR12844, AR12846, AR12847, AR12848 and AR12849

2021 July 28 Sun - solar surface in Ca-K, with AR12844, AR12846, AR12847, AR12848 and AR12849 AR12844 is located at (S43W84). A few strips of plages are visible.. AR12846 is located at (N24W35). Only patches of bright plages are visible. AR12847 is located at (S28W16). Only plages are visible. AR128...
PTS
週三 28 7月, 2021 15:09
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2021 July 28 Sun - solar surface in white-light, with AR12844, AR12846, AR12847, AR12848 and AR12849
回覆: 1
觀看: 94

2021 July 28 Sun - solar surface in white-light, with AR12844, AR12846, AR12847, AR12848 and AR12849

2021 July 28 Sun - solar surface in white-light, with AR12844, AR12846, AR12847, AR12848 and AR12849 AR12844 is located at (S43W84). Nothing is visible. AR12846 is located at (N24W35). 2 tiny sunspots are visible. AR12847 is located at (S28W16). No sunspot is visible. AR12848 is located at (N21W69)....
PTS
週二 27 7月, 2021 17:57
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2021 July 27 Sun - solar surface in H-alpha, with AR12844, AR12846, AR12847, AR12848 and AR12849
回覆: 3
觀看: 107

2021 July 27 Sun - solar surface in H-alpha, with AR12844, AR12846, AR12847, AR12848 and AR12849

2021 July 27 Sun - solar surface in H-alpha, with AR12844, AR12846, AR12847, AR12848 and AR12849 AR12844 is located at (S43W70). strips of plages are visible. AR12846 is located at (N24W22). The sunspots are visible at the leading end of the plages. Flares are visible amid the following plages, and ...

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