2020 January 27 Sun - AR12757
The sunspots of AR12757 have undergone great changes. The leading sunspot has grown a lot with a well-developed penumbra. The following sunspot has shrunk into a tiny spot.
Sunspot count: group=1. sunspot=2, R=12
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 27 Sun - AR12757
2020 January 27 Sun - AR12757
- 附加檔案
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- Taken at 03:11:43 UTC
exposure: 2.2 ms - W-disc-111144.jpg (1.83 MiB) 已瀏覽 230 次
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- Taken at 03:13:09 UTC
exposure: 2.2 ms
cropped 800x800 - AR12757-111309.png (374.9 KiB) 已瀏覽 230 次
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- Taken at 03:14:40 UTC
exposure: 2.0 ms - AR12757-111440.png (368.46 KiB) 已瀏覽 230 次
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- Taken at 03:15:03 UTC
exposure: 2.0 ms - AR12757-111503.png (369.54 KiB) 已瀏覽 230 次
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- Taken at 03:16:21 UTC
exposure: 2.4 ms - AR12757-111621.png (382.43 KiB) 已瀏覽 230 次
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- Taken at 03:19:24 UTC
exposure: 2.2 ms - AR12757-111924.png (377.52 KiB) 已瀏覽 230 次
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- faculae near SE limb
Taken at 03:19:50 UTC
exposure: 2.5 ms - flare-111950.png (388.05 KiB) 已瀏覽 230 次
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- faculae near SE limb
Taken at 03:20:12 UTC
exposure: 2.5 ms - flare-112012.png (395.91 KiB) 已瀏覽 230 次
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