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PTS
週六 11 7月, 2020 20:56
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 July 11 Sun - prominences on the SW solar limb
回覆: 1
觀看: 12

2020 July 11 Sun - prominences on the SW solar limb

2020 July 11 Sun - prominences on the SW solar limb I am showing the prominences in 2 wavelengths, if possible. In general, the prominences are much brighter in H-alpha than in Ca-K, despite the much larger aperture (80 mm f/6.25 vs 35 mm f/11.5) used for H-alpha. Sunspot count: group=0. sunspots=0,...
PTS
週六 11 7月, 2020 20:48
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 July 11 Sun - prominences on the NE solar limb
回覆: 1
觀看: 12

2020 July 11 Sun - prominences on the NE solar limb

2020 July 11 Sun - prominences on the NE solar limb I am showing the prominences in 2 wavelengths, if possible. In general, the prominences are much brighter in H-alpha than in Ca-K, despite the much larger aperture (80 mm f/6.25 vs 35 mm f/11.5) used for H-alpha. Sunspot count: group=0. sunspots=0,...
PTS
週六 11 7月, 2020 11:46
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 July 11 Sun - AR12766 in Ca-K
回覆: 2
觀看: 22

2020 July 11 Sun - AR12766 in Ca-K

2020 July 11 Sun - AR12766 in Ca-K AR12766 is moving close to the W limb. Flares and 2 dark filaments pointing south from AR12766 show up this morning. A huge patch of faculae is visible near SW limb. Sunspot count: group=0. sunspot=0, R=0 Telescope: Sharpstar AL-80 II, 8 cm f/6.25 APO refractor Cam...
PTS
週五 10 7月, 2020 14:02
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 July 10 Sun - AR12766 in Ca-K
回覆: 3
觀看: 30

2020 July 10 Sun - AR12766 in Ca-K

2020 July 10 Sun - AR12766 in Ca-K AR12766 is moving close to the W limb. A bright flare and dark filament from AR12766 show up this morning Sunspot count: group=0. sunspot=0, R=0 Telescope: Sharpstar AL-80 II, 8 cm f/6.25 APO refractor Camera : ASI174MM focal length : 500 mm f/6.25 filter: Lunt Ca-...
PTS
週二 07 7月, 2020 22:01
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 July 07 Sun - prominences on the NE solar limb
回覆: 2
觀看: 62

2020 July 07 Sun - prominences on the NE solar limb

2020 July 07 Sun - prominences on the NE solar limb I am showing the prominences in 2 wavelengths, if possible. In general, the prominences are much brighter in H-alpha than in Ca-K, despite the much larger aperture (80 mm f/6.25 vs 35 mm f/11.5) used for H-alpha. Sunspot count: group=0. sunspots=0,...
PTS
週二 07 7月, 2020 21:08
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 July 07 Sun - AR12766 and solar surface in Ca-K
回覆: 3
觀看: 65

2020 July 07 Sun - AR12766 and solar surface in Ca-K

2020 July 07 Sun - AR12766 and solar surface in Ca-K AR12766 is today located near N04W12. Sunspot count: group=0. sunspot=0, R=0 Telescope: Sharpstar AL-80 II, 8 cm f/6.25 APO refractor Camera : ASI174MM focal length : 500 mm f/6.25 filter: Lunt Ca-K Module B1200 exposure: 0.24 ms approximately sou...
PTS
週二 07 7月, 2020 12:32
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 July 07 Sun - AR12766
回覆: 1
觀看: 69

2020 July 07 Sun - AR12766

2020 July 07 Sun - AR12766 AR12766 is today located just west of the solar disc, N04W12. No sunspot is visible. Sunspot count: group=0. sunspot=0, R=0 Telescope: Celestron C5, 127mm f/10 Schmidt-Cassegrain Camera : ASI1600MM Pro, not cooled. focal length : 1250 mm f/10 Filters: Baader Solar Film 5.0...
PTS
週一 06 7月, 2020 17:43
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 July 06 Sun - AR12766 and solar surface in Ca-K
回覆: 2
觀看: 37

2020 July 06 Sun - AR12766 and solar surface in Ca-K

2020 July 06 Sun - AR12766 and solar surface in Ca-K AR12766 is today located near N05E03. Only 1 sunspot is visible this morning. Sunspot count: group=1. sunspot=1, R=11 Telescope: Sharpstar AL-80 II, 8 cm f/6.25 APO refractor Camera : ASI174MM focal length : 500 mm f/6.25 filter: Lunt Ca-K Module ...
PTS
週一 06 7月, 2020 14:37
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 July 06 Sun - AR12766
回覆: 1
觀看: 40

2020 July 06 Sun - AR12766

2020 July 06 Sun - AR12766 AR12766 is today located near the centre of the solar disc, N05E03. Only 1 sunspot is visible this morning. Sunspot count: group=1. sunspot=1, R=11 Telescope: Celestron C5, 127mm f/10 Schmidt-Cassegrain Camera : ASI1600MM Pro, not cooled. focal length : 1250 mm f/10 Filter...

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