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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Helios Astronomy Club
Sunday, September 21, 2014
Noctilucent clouds July 4th
On July 4th, noctilucent clouds could be observed in Belgium. This month the VVS discussed this event in their monthly journal "Heelal".
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