Stargazing News - August 1st, 2025
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All on Fri Aug 1 20:35:50 2025
Friday August 1, 2025
First Quarter Moon
The moon will complete the first quarter of its journey around Earth on
Friday, August 1 at 8:41 a.m. EDT, 5:41 a.m. PDT, or 12:41 UT. The first quarter moon's 90-degree angle away from the sun makes it look half- illuminated - on its eastern side. Since it always rises around mid-day and sets around midnight, it is also visible in the afternoon daytime sky. By the time this first quarter moon rises in the Americas, it will already appear slightly more than half-lit. The evenings surrounding first quarter are the best ones for seeing the lunar terrain through binoculars and telescopes because it is being dramatically lit by low-angled sunlight, especially along the terminator, the pole-to-pole boundary that separates the lit and dark hemispheres.
(Data courtesy of Starry Night)
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