2019 July 17 Sun - No active region
After AR12744 turned to the backside, the Sun become spotless.
Sunspot count: group=0, sunspot=0, R=0
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 July 17 Sun - No active region
2019 July 17 Sun - No active region
- 附加檔案
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- Taken at 00:46:32 UTC
exposure: 0.4 ms - DSC06694_cr.jpg (184.35 KiB) 已瀏覽 280 次
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- Taken at 00:46:32 UTC
exposure: 0.4 ms
monochrome view - DSC06694_crbw.jpg (171.49 KiB) 已瀏覽 280 次
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- Taken at 00:48:20 UTC
exposure: 0.6 ms - DSC06744_cr.jpg (180.45 KiB) 已瀏覽 280 次
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- Taken at 00:48:20 UTC
exposure: 0.6 ms
monochrome view - DSC06744_crbw.jpg (167.12 KiB) 已瀏覽 280 次
![[Good Job]](./images/smilies/onion_d5f02ecd.gif "Good Job")
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