Year by year I visit La Palma island during the Milky Way season. I’m privileged to live close to this amazing dark sky. Last May 2023 I spent there one week with a great group at our anual “Phototrip La Palma” by Parc Astronòmic Muntanyes de Prades....
What causes this colorful image of the night sky? Under pristine dark skies a rare phenomena called airglow can be detected. It’s a faint emission of light, a form of chemiluminescence. The image, captured last May 2022 from Mirador de los Andenes (Roque de los...
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