Sunset to Sunrise over the Baltic Sea

Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

2023 June 16
Please see the explanation for more detailed information.

Sunset to Sunrise over the Baltic Sea
Image Credit & Copyright: Bernd Pröschold (TWAN)

Explanation: This serene view from the coast of Sweden looks across the Baltic sea and compresses time, presenting the passage of one night in a single photograph. From sunset to sunrise, moonlight illuminates the creative sea and skyscape. Fleeting clouds, fixed stars, and flowing northern lights leave their traces in planet Earth's sky. To construct the timelapse image, 3296 video frames were recorded on the night of June's Full Moon between 7:04pm and 6:35am local time. As time progresses from left to right, a single column of pixels was taken from the corresponding individual frame and combined in sequence into a single digital image 3296 pixels wide.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
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