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Integration time: 21 hours, 10 minutes (127x 300" Hα, 127x 300" OIII) | Optics: Takahashi ε-180ED f/2.8 | Camera: ZWO ASI294MM Pro (B 2x2, G 120, T -15 °C) | Acquisition: ZWO ASIair Pro | Filters: Baader-Planetarium Ultra-Highspeed | Mount: Astro-Physics Mach1 GTO | Location: Zoetermeer, Netherlands | Date: 17, 22, 23, 24, 25 & 27 March 2022
Over 80% of the world’s population & 99% of Americans & Europeans live under "sky glow," where light pollution affects wildlife, human health & our ability to observe celestial objects.
As we lose the chance to look up & peer back in time at once vivid stars, we risk forgetting our place as a single species in the magnificent symphony of life. https://education.nationalgeographic.org/resource/light-pollution #space #science #nature #SharedPlanet
Integration time: 10 hours, 25 minutes (75x 300" Hα, 50x 300" OSC) | Optics: Takahashi ε-180ED f/2.8 & f/4.3 | Cameras: ZWO ASI294MM Pro (B 2x2, G 120, T 0 °C & -15 °C) at f/2.8 & Nikon D810a (ISO 800) at f/4.3 | Acquisition: ZWO ASIair Pro | Filter: Baader-Planetarium Ultra-Highspeed | Mount: Astro-Physics Mach1 GTO | Locations: Étoile-Saint-Cyrice, France (OSC) & Zoetermeer, Netherlands (Hα) | Date: 22 October 2022 (OSC) & 13 December 2022 (Hα)
Very concerning. Dark sky no more - nowhere on earth …