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
Thursday, March 20, 2014
Astronomical start of spring
Start of the astronomical spring in the Northern Hemisphere. Exactly @ 17h5, March 20th the sun crosses the equinox. Day & night are same in length.
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