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, May 24, 2020
Start of Astronomical Twilight
As from this week untill the weekend of July 21st, skies will not get fully dark as the Sun will not go below 18° of the Horizon. This is what's called Astronomical Twilight.
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