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PTS
週一 11 2月, 2019 07:05
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2019 Feb 10 Sun
回覆: 2
觀看: 76

Re: 2019 Feb 10 Sun

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PTS
週一 11 2月, 2019 06:55
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2019 Feb 10 Sun
回覆: 2
觀看: 76

2019 Feb 10 Sun

2019 Feb 10 Sun Today marks the 8th consecutive day with a spotless Sun, after AR12733. Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f/2.4-4 focal length : 600 mm f/4 (35-mm equivalent) Filter: Baader Solar Film 5.0 ISO 64 images cropped 1000x1000 pixels north is up, east to the left (rough es...
PTS
週一 11 2月, 2019 06:13
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2019 Feb 9 Sun
回覆: 1
觀看: 53

2019 Feb 9 Sun

2019 Feb 9 Sun Today marks the 8th consecutive day with a spotless Sun, after AR12733. Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f/2.4-4 focal length : 600 mm f/4 (35-mm equivalent) Filter: Baader Solar Film 5.0 ISO 64 images cropped 1000x1000 pixels north is up, east to the left (rough est...
PTS
週四 07 2月, 2019 10:48
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2019 Feb 7 Sun
回覆: 2
觀看: 88

2019 Feb 7 Sun

2019 Feb 7 Sun Today marks the 6th consecutive day with a spotless Sun, after AR12733. Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f/2.4-4 focal length : 600 mm f/4 (35-mm equivalent) Filter: Baader Solar Film 5.0 ISO 80 images cropped 1000x1000 pixels north is up, east to the left (rough est...
PTS
週三 06 2月, 2019 15:14
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2019 Feb 6 Sun
回覆: 2
觀看: 74

2019 Feb 6 Sun

2019 Feb 6 Sun

Today marks the 5th day with a spotless Sun, after AR12733.
Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f/2.4-4
focal length : 600 mm f/4 (35-mm equivalent)
Filter: Baader Solar Film 5.0
images cropped 1000x1000 pixels
north is up, east to the left (rough estimation)
PTS
週一 04 2月, 2019 17:54
版面: 花鳥蟲魚 Natural World
主題: Happy New Year to all my friends.
回覆: 5
觀看: 157

Happy New Year to all my friends.

立春 = start of the New Year

Happy New Year to all my friends.
PTS
週一 04 2月, 2019 11:58
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2019 Feb 4 Sun
回覆: 1
觀看: 96

2019 Feb 4 Sun

2019 Feb 4 Sun

Today marks the 3nd day with a spotless Sun, after AR12733.
Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f/2.4-4
focal length : 600 mm f/4 (35-mm equivalent)
Filter: Baader Solar Film 5.0
images cropped 1000x1000 pixels
north is up, east to the left (rough estimation)
PTS
週日 03 2月, 2019 22:17
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2019 Feb 3 Sun
回覆: 1
觀看: 93

2019 Feb 3 Sun

2019 Feb 3 Sun

Today marks the 2nd day with a spotless Sun, after AR12733.
Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f/2.4-4
focal length : 600 mm f/4 (35-mm equivalent)
Filter: Baader Solar Film 5.0
images cropped 1000x1000 pixels
north is up, east to the left (rough estimation)
PTS
週日 03 2月, 2019 22:15
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2019 Feb 2 Sun
回覆: 1
觀看: 75

2019 Feb 2 Sun

2019 Feb 2 Sun 2 days after AR12733 turned to the backside, the Sun becomes spotless. Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f/2.4-4 focal length : 600 mm f/4 (35-mm equivalent) Filter: Baader Solar Film 5.0 Taken at 07:11:14 UTC (amid clouds) images cropped 1000x1000 pixels north is up,...
PTS
週四 31 1月, 2019 23:44
版面: 天文攝影 Astrophotography
主題: 2019 Jan 31 - Comet 64P/Swift-Gehrels at Hokoon
回覆: 2
觀看: 93

2019 Jan 31 - Comet 64P/Swift-Gehrels at Hokoon

2019 Jan 31 - Comet 64P/Swift-Gehrels at Hokoon Observer: Taksun Poon, Suki Ng and MugPa Liang 64P moves quite rapidly, literally moving under visual observations, as obvious from these images, taking within 75 minutes. Telescope: 50-cm RC reflector, f/8 camera: ASI 1600MM Pro (cooled to -17C) expos...
PTS
週四 31 1月, 2019 23:08
版面: 天文攝影 Astrophotography
主題: 2019 Jan 31 - Comet 38P/Stephan-Oterma at Hokoon
回覆: 1
觀看: 75

2019 Jan 31 - Comet 38P/Stephan-Oterma at Hokoon

2019 Jan 31 - Comet 38P/Stephan-Oterma at Hokoon

38P moves quite slowly, thus its movement is not obvious in the roughly 21 minutes.between these images.
Telescope: 50-cm RC reflector, f/8
camera: ASI 1600MM Pro (cooled to -17C)
South is up and east to the left
PTS
週四 31 1月, 2019 22:40
版面: 天文攝影 Astrophotography
主題: 2019 Jan 31 - Uranus and satellites at Hokoon
回覆: 2
觀看: 101

2019 Jan 31 - Uranus and satellites at Hokoon

2019 Jan 31 - Uranus and satellites at Hokoon

Telescope: 50-cm RC reflector, f/8
camera: ASI174MC and ASI 1600MM Pro (cooled to -17C)
South is up and east to the left
PTS
週四 31 1月, 2019 10:48
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2019 Jan 31 Sun
回覆: 3
觀看: 129

2019 Jan 31 Sun

2019 Jan 31 Sun Most of AR12733 has turned to the backside, but it seems a small sunspot is still visible right on the limb Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f/2.4-4 focal length : 600 mm f/4 (35-mm equivalent) Filter: Baader Solar Film 5.0 images cropped 1000x1000 pixels north is u...
PTS
週三 30 1月, 2019 11:04
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2019 Jan 30 Sun
回覆: 2
觀看: 72

2019 Jan 30 Sun

2019 Jan 30 Sun AR12733 is right on the W limb, strong faculae and the leading sunspot are plainly visible, despite the very turbulent atmosphere and intervening clouds. Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f/2.4-4 focal length : 600 mm f/4 (35-mm equivalent) Filter: Baader Solar Film ...
PTS
週二 29 1月, 2019 10:17
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2019 Jan 29 Sun
回覆: 2
觀看: 95

2019 Jan 29 Sun

2019 Jan 29 Sun The leading sunspot has continued to grow in size, while the group is very close to the W limb, the following small sunspots are not easy to image. However, strong faculae are plainly visible, despite the very turbulent atmosphere. Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f...

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