Pascal Hilkens Astro Page
Personal blog to promote (solar) astronomy and other related sciences.
Pascal Hilkens Astro Home Page
Pascal Hilkens Astro Home Page
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Solargraphy
Helios Astronomy Club
Saturday, February 10, 2018
Airplane with Sunspot AR2699
Lucky shot when airplane shows up in front of the Sundisk during my observation of Sunspot AR2699.
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