2019 June 29 Sun - Possible AR12744
2 active regions show up, one just east of disc centre and comes with 2 or 3 small sunspots. The will be AR12744. My image cannot show the sunspot.
The other shows up a -22 south latitude in the south-west quadrant. A strong flare is visible but no sunspot yet.
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: 100
images cropped 1000x1000
approximately north is up, east to the left
2019 June 29 Sun - Possible AR12744
2019 June 29 Sun - Possible AR12744
- 附加檔案
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- Taken at 01:51:00 UTC
exposure: 0.2 ms - DSC04469_cr.jpg (192.86 KiB) 已瀏覽 304 次
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- Taken at 01:51:00 UTC
exposure: 0.2 ms
monochrome view - DSC04469_crbw.jpg (179.84 KiB) 已瀏覽 304 次
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- Taken at 01:52:24 UTC
exposure: 0.25 ms - DSC04504_cr.jpg (211.74 KiB) 已瀏覽 304 次
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- Taken at 01:52:24 UTC
exposure: 0.25 ms
monochrome view - DSC04504_crbw.jpg (194.1 KiB) 已瀏覽 304 次
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