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PTS
週一 21 5月, 2018 13:43
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 21 Sun - AR12710
回覆: 3
觀看: 3

Re: 2018 May 21 Sun - AR12710

more images
PTS
週一 21 5月, 2018 13:42
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 21 Sun - AR12710
回覆: 3
觀看: 3

Re: 2018 May 21 Sun - AR12710

more images
PTS
週一 21 5月, 2018 13:42
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 21 Sun - AR12710
回覆: 3
觀看: 3

Re: 2018 May 21 Sun - AR12710

more images, in H-alpha
PTS
週一 21 5月, 2018 13:41
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 21 Sun - AR12710
回覆: 3
觀看: 3

2018 May 21 Sun - AR12710

2018 May 21 Sun - AR12710 A new AR, with a tiny sunspot, show up on the NE limb. This AR comes with a strong but small flare, and a jet from the sunspot. The jet is visible even in pseudo-white light. As the slow motion is still unavailable, I have to continue with push or pull the telescope to put ...
PTS
週日 20 5月, 2018 22:28
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 20 Sun - AR12709
回覆: 1
觀看: 10

2018 May 20 Sun - AR12709

2018 May 20 Sun - AR12709 In pseudo-white light, no sunspot show up. AR12709. located right on the W limb of the solar disc, is now reduced to scattered plages. As the slow motion is still unavailable, I have to continue with push or pull the telescope to put the image in field. This task becomes ve...
PTS
週六 19 5月, 2018 22:25
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 3-day evolution of a filament near NE limb - 2018 May 19
回覆: 0
觀看: 25

3-day evolution of a filament near NE limb - 2018 May 19

3-day evolution of a filament near NE limb - 2018 May 19 Today, the filament has nearly doubled its length, and the SE extension is darker. As the slow motion is still unavailable, I have to continue with push or pull the telescope to put the image in field. This task becomes very tedious when worki...
PTS
週六 19 5月, 2018 22:21
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 3-day evolution of a filament near NE limb - 2018 May 18
回覆: 1
觀看: 19

3-day evolution of a filament near NE limb - 2018 May 18

3-day evolution of a filament near NE limb - 2018 May 18 On May 18, the filament has grown to at least 5-fold in length, running in the NE-SW direction, and a fainter entension from the SW end which runs SE. The plages are scattered on much larger arena. As the slow motion is still unavailable, I ha...
PTS
週六 19 5月, 2018 22:15
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 3-day evolution of a filament near NE limb - 2018 May 17
回覆: 1
觀看: 11

3-day evolution of a filament near NE limb - 2018 May 17

3-day evolution of a filament near NE limb - 2018 May 17 The filament started as a short dark patch which is surrounded by scattered plages. As the slow motion is still unavailable, I have to continue with push or pull the telescope to put the image in field. This task becomes very tedious when work...
PTS
週六 19 5月, 2018 20:59
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 19 Sun - AR12709
回覆: 1
觀看: 15

Re: 2018 May 19 Sun - AR12709

more images
PTS
週六 19 5月, 2018 20:59
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 19 Sun - AR12709
回覆: 1
觀看: 15

2018 May 19 Sun - AR12709

2018 May 19 Sun - AR12709 In pseudo-white light, no sunspot show up. AR12709, located close to the W limb of the solar disc, is now mainly consisted of plages and filaments. Some of the filaments of this AR have gone off-disc to form several prominences. As the slow motion is still unavailable, I ha...

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