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PTS
週二 22 5月, 2018 21:53
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 22 Sun - very faint filamentary prominence on W limb
回覆: 1
觀看: 15

2018 May 22 Sun - very faint filamentary prominence on W limb

2018 May 22 Sun - very faint filamentary prominence on W limb There are 2 major prominences : a loop-like prominence on the NWW limb, and a faint filamentary prominence on the W limb. As the slow motion is still unavailable, I have to continue with push or pull the telescope to put the image in fiel...
PTS
週二 22 5月, 2018 20:48
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 22 Sun - AR12710
回覆: 3
觀看: 14

Re: 2018 May 22 Sun - AR12710

more images
PTS
週二 22 5月, 2018 20:46
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 22 Sun - AR12710
回覆: 3
觀看: 14

Re: 2018 May 22 Sun - AR12710

more images
PTS
週二 22 5月, 2018 20:46
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 22 Sun - AR12710
回覆: 3
觀看: 14

Re: 2018 May 22 Sun - AR12710

more images
PTS
週二 22 5月, 2018 20:45
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2018 May 22 Sun - AR12710
回覆: 3
觀看: 14

2018 May 22 Sun - AR12710

2018 May 22 Sun - AR12710 AR12710 is a bipolar group, and the leading (western) sunspot is larger. In H-alpha, the flare observed yesterday is still on show. Many filaments comes from the leading sunspot and one of them shoots northward and is reaching far. Seeing is poor in general. As the slow mot...
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: 4
觀看: 34

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: 4
觀看: 34

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: 4
觀看: 34

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: 4
觀看: 34

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: 13

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: 27

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: 26

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...

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