Tag: long-exposure
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Star Trails at Mauna Kea: Gemini North Photo of the Day
Star Trails Over a Green Night Sky: A Window into the Cosmos On the summit of Mauna Kea, high above the Pacific, the Gemini North Observatory offers a dramatic stage for an ever-changing sky. The nightly drama is not just the twinkle of distant stars, but the graceful arcs that form when the camera records…
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How Amateur Astronomers Combat Satellite Streaks in Comet Lemmon Photos
Introduction: Comet Lemmon in a Satellite-Rich Sky In recent months, amateur astronomers around the Northern Hemisphere have shared breathtaking images of Comet Lemmon as its glowing coma and delicate tail illuminated the night. Yet behind many of these striking shots lies a common challenge: satellite streaks. The proliferation of Earth observation and communications satellites has…