Posted on 08/21/2025 12:15:13 PM PDT by MtnClimber
Explanation: In this predawn skyscape recorded during the early morning hours of August 13, mostly Perseid meteors are raining down on planet Earth. You can easily identify the Perseid meteor streaks. They're the ones with trails that seem to converge on the annual meteor shower's radiant, a spot in the heroic constellation Perseus, located off the top of the frame. That's the direction in Earth's sky that looks along the orbit of this meteor shower's parent, periodic Comet Swift-Tuttle. Of course the scene is a composite, a combination of about 500 digital exposures to capture meteors registered with a single base frame exposure. But all exposures were taken during a period of around 2.5 hours from a wind farm near Mönchhof, Burgenland, Austria. Red lights on the individual wind turbine towers dot the foreground. In their spectacular close conjunction, bright planets Jupiter and Venus are poised above the eastern horizon.
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I find that driving through these wind farm areas at night is extremely disorienting.
Wow.
I don’t care for them much myself. Still, it’s a cool picture.
“The 1833 Leonid meteor shower, a spectacular and intense event that occurred in North America on November 12, 1833, is widely regarded as the greatest meteor shower in US history, with an estimated rate of tens of thousands of meteors per hour.
“This event, where hundreds of thousands of meteors were observed in a single night, profoundly impacted those who witnessed it, leading to widespread fear and belief that the world was ending. It also sparked the first serious scientific study of meteor showers.”
I saved the picture at the Nasa site then right clicked on it and went to Properties> Details tab.
Exposure time: 5028 sec <— 83.8 minutes
F-stop: 2.8
ISO: 1600
I wonder if this is a composite photo as the very long exposure would have the lights on the tower be overblown.
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