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PTS
週三 13 9月, 2017 21:43
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2017 September 13 Sun
回覆: 2
觀看: 88

Re: 2017 September 13 Sun

more images
PTS
週三 13 9月, 2017 21:42
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2017 September 13 Sun
回覆: 2
觀看: 88

2017 September 13 Sun

2017 September 13 Sun The Sun is relatively quiet today. AR12677 and AR12678 are reduced to bright patches of plages and some filaments. AR12680 is more active with several minor flares and a huge filament pointing north. Telescope: AP Starfire EDT 155 mm f/9. stopped to 50 mm (f/28) for disc images...
PTS
週二 12 9月, 2017 23:29
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2017 September 12 Sun - UFO transit
回覆: 1
觀看: 71

2017 September 12 Sun - UFO transit

2017 September 12 Sun - UFO transit

AN UFO transit the Sun at 02:29:47 for about 2 seconds.

Telescope: AP Starfire EDT 155 mm f/9.
stopped to 50 mm (f/28) for disc images, with 4X telecentric lens (f/36) for closeups
filter: Solar Spectrum SO1.5/0.3A with CERF prefilter
Camera: Imperx 4M15
PTS
週二 12 9月, 2017 23:13
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2017 September 12 Sun - AR12680
回覆: 2
觀看: 36

2017 September 12 Sun - AR12680

2017 September 12 Sun - AR12680 AR12680 showed up on the E limb 2 days ago. A thick filament extend to the north. Flares show up on the south of the spot. Telescope: AP Starfire EDT 155 mm f/9. stopped to 50 mm (f/28) for disc images, with 4X telecentric lens (f/36) for closeups filter: Solar Spectr...
PTS
週二 12 9月, 2017 22:32
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2017 September 12 Sun - AR12679 farewell with an arch prominence
回覆: 1
觀看: 33

2017 September 12 Sun - AR12679 farewell with an arch prominence

2017 September 12 Sun - AR12679 farewell with an arch prominence AR12679 is right on the W limb and show off with a minor eruption from 02:55 to 03:22 UTC. This short movie is compiled from 96 frames and demonstrates the formation of a loop prominence. Telescope: AP Starfire EDT 155 mm f/9. stopped ...
PTS
週一 11 9月, 2017 23:31
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2017 September 10 Sun - AR12673 finale with a spectacular arch prominence show
回覆: 4
觀看: 56

2017 September 10 Sun - AR12673 finale with a spectacular arch prominence show

2017 September 11 Sun - AR12673 finale with a spectacular arch prominence show The title of my post yesterday is a bit premature, as AR12673 started to produce a huge arch prominence around September 10, 17 UTC, and this arch show continues well into September 11, 07 UTC. The arch prominence show mu...
PTS
週日 10 9月, 2017 23:25
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2017 September 10 Sun - prominences
回覆: 2
觀看: 68

2017 September 10 Sun - prominences

2017 September 10 Sun - prominences Several prominence groups appear on the solar limb. The long one on the SE limb is very faint but the filaments are very fine. Telescope: AP Starfire EDT 155 mm f/9. stopped to 50 mm (f/28) for disc images, with 4X telecentric lens (f/36) for closeups filter: Sola...
PTS
週日 10 9月, 2017 23:13
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2017 September 10 Sun - new AR on E limb
回覆: 1
觀看: 52

2017 September 10 Sun - new AR on E limb

2017 September 10 Sun - new AR on E limb A new AR with a single spot and a prominent filament appears on the E limb. It produces some mass ejection since yesterday. Telescope: AP Starfire EDT 155 mm f/9. stopped to 50 mm (f/28) for disc images, with 4X telecentric lens (f/36) for closeups filter: So...
PTS
週日 10 9月, 2017 22:57
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2017 September 10 Sun - AR12674 and AR12679
回覆: 2
觀看: 37

2017 September 10 Sun - AR12674 and AR12679

2017 September 10 Sun - AR12674 and AR12679 This pair of AR are close to the W limb. The filaments and magnetic loops of AR12674 are protruding out of the solar disc. Telescope: AP Starfire EDT 155 mm f/9. stopped to 50 mm (f/28) for disc images, with 4X telecentric lens (f/36) for closeups filter: ...

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