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, 8 cm f/6.25 APO refractor
Camera : ASI1600MM Pro, not cooled.
Barlow: 2X barlow
focal length : 1000 mm f/12.5
Filters: Baader Solar Film 5.0+ Baader Planetarium G-band continuum.
approximately north is up, east to the left
2020 January 26 Sun - AR12757
2020 January 26 Sun - AR12757
- 附加檔案
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- Taken at 06:50:58 UTC
exposure: 2.5 ms - W-disc-145102.jpg (1.96 MiB) 已瀏覽 196 次
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- Taken at 06:53:20 UTC
exposure: 2.3 ms - W-disc-145322.jpg (1.83 MiB) 已瀏覽 196 次
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- Taken at 06:52:02 UTC
exposure: 2.3 ms
cropped 800x800 - AR12757-145202.png (379.61 KiB) 已瀏覽 196 次
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- Taken at 06:52:21 UTC
exposure: 2.3 ms
cropped 800x800 - AR12757-145221.png (383.66 KiB) 已瀏覽 196 次
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- Taken at 06:52:45 UTC
exposure: 2.3 ms
cropped 800x800 - AR12757-145245.png (380.07 KiB) 已瀏覽 196 次
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- Taken at 06:52:53 UTC
exposure: 2.3 ms
cropped 800x800 - AR12757-145254.png (374.11 KiB) 已瀏覽 196 次
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