Daisy is watching for the lunar eclipse blood moon on Aug. 27-28, the deep partial eclipse that will send 96.2% of the moon into Earth’s dark central shadow. She saw the total lunar eclipse of Sept. 7, 2025 from Barcelona, and this one will be close enough to turn much of the moon rusty red while a thin sliver stays bright.
The eclipse is the deepest partial lunar eclipse visible anywhere on Earth until Dec. 31, 2028. Up to 987 million people can see the full partial stage, and 3.34 billion can catch some part of it.
Earth’s umbra on Aug. 27-28
At maximum eclipse, the moon slips into Earth’s umbra, the dark central shadow that gives the event its deepest color change. The moon will not disappear completely, because a thin edge remains illuminated even as the shadow covers nearly all of the lunar disk.
That makes the event different from the total lunar eclipse of Sept. 7, 2025. Although this is not a total lunar eclipse, it is pretty close, and the moon’s deep coverage is what puts it in a separate category of its own.
North America and South America
People on the night side of Earth can watch the shadow move across the moon overnight on Aug. 27-28. North America and South America have the best seats in the house, while the partial phase will also be visible in the skies over Europe and Africa.
The viewing reach is broad: 987 million people are positioned to witness the entirety of the partial stage, and 3.34 billion can see at least part of it. For readers hoping to watch, the practical step is simple — look for a clear view of the night sky during the eclipse window, since the source material does not give a peak time by location.
Sturgeon Moon names
August’s full moon is often called the Sturgeon Moon, a name tied to sturgeon in the Great Lakes and Lake Champlain that were historically most readily caught at this time of year and served as an important food source for Native American peoples living in the region.
The same August moon has also been called the Corn Moon, Harvest Moon and Mountain Shadows Moon. Daisy’s Barcelona viewing, the Aug. 27-28 eclipse, and the long gap until Dec. 31, 2028 together make this one of the few sky events where the timing and the geometry both matter to anyone with a clear horizon.
