sunspot AR13379
Taken by Canon Lau on July 27, 2023 @
Hong Kong
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
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Date Taken: 2023:08:27 16:13:36
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Details:
This photo shows the changes of the sunspot AR13379 on the 24th, 25th and 27th of July. It can be seen that the sunspot has changed in shape and has a tendency to shrink. The black circle shows the size of the Earth for comparison. All of them were taken with Celestron C14. Baader 3.8 solar filter was used for front dimming and Televue 2.5x powermate for magnification. All videos were shot in R channel only. 1 or 5% of the frames in each clip were chosen out of a 3-4 minutes footage, which contains 15000-20000 frames.
Photographer's website:
https://www.instagram.com/canon_c14/
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