May 26, 2021 Total Lunar Eclipse: Telescopic View
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|J2000 Right Ascension, Declination||0h 0m 0s, 0° 0' 0"|
|Sub-Solar Longitude, Latitude||0.000°, 0.000°|
|Sub-Earth Longitude, Latitude||0.000°, 0.000°|
The total lunar eclipse of May 26, 2021 is the first in nearly two and a half years. It occurs within hours of the closest perigee of the year, making the Moon appear about 7% larger than average. The total phase will be visible near moonset in the western United States and Canada, all of Mexico, most of Central America and Equador, western Peru, and southern Chile and Argentina. Totality occurs just after moonrise along the Asian Pacific Rim. The eclipse can be seen in its entirety in eastern Australia, New Zealand, and the Pacific Islands, including Hawaii.
The sublunar point, the last line of the table above, is the point on the Earth's surface where the Moon is directly overhead. It's also the center of the hemisphere of the Earth where the eclipse is visible. The closer you are to that location, the higher the Moon will be in your sky. The eclipse percentage in the table is the fraction of the Moon covered by the Earth's umbra, the part of its shadow in which the Sun is completely blocked. The part of the shadow in which the Sun is only partially blocked is called the penumbra.
The animations on this page run from 8:30:00 to 13:59:50 UTC, which is also the valid range of times for this Dial-a-Moon. The exposure setting of the virtual camera changes around totality in order to capture the wide dynamic range of the eclipse. The parts of the Moon outside the umbra during the partial phases are almost as bright as an ordinary full moon, making the obstructed parts appear nearly black. But during totality, our eyes adjust and reveal a range of hues painted on the Moon by all of Earth's sunrises and sunsets.
All phases of a lunar eclipse are safe to view, both with your naked eye and an unfiltered telescope.
Please give credit for this item to:
NASA's Scientific Visualization Studio
MissionsThis visualization is related to the following missions:
Datasets used in this visualization
LRO DEM (Digital Elevation Map)ID: 653Collected with LOLA
DE421 (JPL DE421)ID: 752Ephemeris NASA/JPL
Lunar Reconnaissance Orbiter LROC WAC Color Mosaic (Natural Color Hapke Normalized WAC Mosaic)ID: 1015Mosaic Collected with LRO Camera Arizona State University
Note: While we identify the data sets used in these visualizations, we do not store any further details, nor the data sets themselves on our site.