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
Monday, July 29, 2024
H-alpha, H-beta and H-delta comparison
Comparison between H-alpha, H-beta and H-delta line of the sun. Images taken with heliospectrograph Sol'Ex v1 on TLAPO60/360 with ASI290MM.
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