有 7207 筆資料符合您搜尋的條件

PTS
週二 28 1月, 2020 21:55
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 January 28 Sun - AR12757 in H-alpha
回覆: 2
觀看: 59

2020 January 28 Sun - AR12757 in H-alpha

2020 January 28 Sun - AR12757 in H-alpha The leading sunspot dominates AR12757 with many filaments originating from the sunspot. The following sunspots have all vanished, as a result of the many flares in this region that help to dissipate the energy. Telescope: Lunt LS35T with B600 blocking filter ...
PTS
週二 28 1月, 2020 17:14
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 January 28 Sun - AR12757
回覆: 1
觀看: 80

2020 January 28 Sun - AR12757

2020 January 28 Sun - AR12757 The sunspots of AR12757 have undergone great changes. The leading sunspot has grown a lot with a well-developed penumbra. The following sunspot has nearly vanished from sight. Sunspot count: group=1. sunspot=2, R=12 Telescope: Sharpstar AL-80 II, 8 cm f/6.25 APO refract...
PTS
週二 28 1月, 2020 11:26
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 January 27 Sun - filaments
回覆: 2
觀看: 74

2020 January 27 Sun - filaments

2020 January 27 Sun - filaments Apart from the filaments from the 2 active regions, there are 2 major groups of filaments on the solar disc: one each near the S and N limbs. Telescope: Lunt LS35T with B600 blocking filter Camera : ASI174MM exposure: 0.4 ms Images taken from 03:31 UTC to 03:58 UTC cr...
PTS
週二 28 1月, 2020 11:08
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 January 27 Sun - possible AR12758 in H-alpha
回覆: 2
觀看: 79

2020 January 27 Sun - possible AR12758 in H-alpha

2020 January 27 Sun - possible AR12758 in H-alpha The active region near the SE limb produces bright flare this morning, and a tiny sunspot appears. This may become AR12758. Magnetic reversal is shown. As this region is at high latitude (S30), this belongs to the 25th solar cycle. Telescope: Lunt LS...
PTS
週二 28 1月, 2020 09:59
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 January 28 Sun - AR12757 and possible AR12758
回覆: 1
觀看: 69

2020 January 28 Sun - AR12757 and possible AR12758

2020 January 28 Sun - AR12757 and possible AR12758 AR12757 remains very active, with flares and filaments. The leading sunspot has splitted. Meanwhile, the active region near the SE limb has developed and becomes very active with bright flares and filaments. A small sunspot is visible. Thus this gro...
PTS
週一 27 1月, 2020 22:25
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 January 27 Sun - AR12757 in H-alpha
回覆: 2
觀看: 84

2020 January 27 Sun - AR12757 in H-alpha

2020 January 27 Sun - AR12757 in H-alpha AR12757 is just west of the disc centre. The leading sunspot has grown, with a well-developed penumbra. The following sunspots have nearly all vanished after bright flares and filaments from this area. Telescope: Lunt LS35T with B600 blocking filter Camera : ...
PTS
週一 27 1月, 2020 13:13
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 January 27 Sun - AR12757
回覆: 1
觀看: 59

2020 January 27 Sun - AR12757

2020 January 27 Sun - AR12757 The sunspots of AR12757 have undergone great changes. The leading sunspot has grown a lot with a well-developed penumbra. The following sunspot has shrunk into a tiny spot. Sunspot count: group=1. sunspot=2, R=12 Telescope: Sharpstar AL-80 II, 8 cm f/6.25 APO refractor ...
PTS
週一 27 1月, 2020 07:15
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 January 26 Sun - AR12757 at 22:30 UTC
回覆: 1
觀看: 66

2020 January 26 Sun - AR12757 at 22:30 UTC

2020 January 26 Sun - AR12757 at 22:30 UTC AR12757 has been very active in the past 12 hours, with bright flares and filaments. The leading sunspot has developed into a mature one with well-defined penumbra, but the following sunspot has splitted up into several small ones. Sunspot count: group=1, s...
PTS
週日 26 1月, 2020 16:46
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 January 26 Sun - AR12757 and prominences
回覆: 1
觀看: 71

2020 January 26 Sun - AR12757 and prominences

2020 January 26 Sun - AR12757 and prominences As the sky is mostly overcast 90% of the time, only a few images were captured in H-alpha, through clouds. No close-up shots was taken. Telescope: Lunt LS35T with B600 blocking filter Camera : ASI174MM cropped 800x800 approximately south is up, east to t...
PTS
週日 26 1月, 2020 16:23
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 January 26 Sun - AR12757
回覆: 1
觀看: 65

2020 January 26 Sun - AR12757

2020 January 26 Sun - AR12757 The sunspots of AR12757 have undergone great changes. The leading sunspot has 3 spotlets, and the following sunspot has splitted into 2. A tiny sunspot shows up midway between the 2 larger sunspots. Sunspot count: group=1. sunspot=7, R=17 Telescope: Sharpstar AL-80 II, ...
PTS
週日 26 1月, 2020 09:26
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2020 January 26 Sun - AR12757 + possible new active region
回覆: 2
觀看: 71

2020 January 26 Sun - AR12757 + possible new active region

2020 January 26 Sun - AR12757 + possible new active region AR12757 has been very active in the past 12 hours, with bright flares and filaments. The 2 sunspots are also growing, and may be splitting up into more sunspots. Watch out on this group. meanwhile, another new active group shows up on the SE...

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