The Sun, With A Change In Apparent Diameter
Taken by Astronomy Club, Sing Yin Secondary School, Hong Kong on July 6, 2018 @ Hong Kong SAR
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Date Taken: 2018:08:09 01:40:11
 
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We take photo of the Sun in January and July this year with exactly the same equipment, and find that due to the Earths elliptical orbit, its apparent diameter changes from 1651 pixels to 1603 pixels, a decrease by 2.9%.
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