The lunar eclipses They are magical moments in which we look at the night sky to fascinate ourselves with its mysteries and the immensity of the Universe.

A total lunar eclipse will take place at the beginning of Septemberthe second and last lunar eclipse of the year, but the first of this second eclipse season of 2025, which will be visible from practically all of Spain.

We will not experience a lunar eclipse again until March 2026so you can’t miss it. We explain everything you need to know to enjoy this very special astronomical event.

What are total lunar eclipses?

lunar eclipses They occur when the Earth comes between the Sun and the Moon, causing the Earth’s shadow to fall on the Moon and darken it. It is a phenomenon that can only occur during a full moonwhen the Sun, Earth and Moon are aligned in a straight line, with the Earth in the center.

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There are three types of lunar eclipses:

• Total lunar eclipse: It is the one we will see this month of September and it happens when the Moon passes through the darkest part of the Earth’s shadow (the umbra). The moon, in these cases, appears reddish because the Earth’s atmosphere bends and filters sunlight on the Moon. That is why it is known as blood moon.
• Partial lunar eclipse: when only part of the Moon passes through the umbra and becomes dark.
• Penumbral lunar eclipse: When the Moon passes through the outer part of the Earth’s shadow (the penumbra), resulting in a subtle darkening that can be difficult to perceive.

Lunar eclipses can be seen from all those parts of the Earth where, at the time they occur, it is night and they have the peculiarity that they last several hours.

When will the total lunar eclipse be in September 2025?

The night of September 7, 2025 A total lunar eclipse can be seen in much of Spainexcept for the westernmost parts of Galicia and the Canary Islands, where a partial eclipse will be seen. The eclipse can also be seen, in some of its phases, in Asia, Oceania, Europe, Africa, Antarctica and the eastern end of South America.

The total eclipse will begin around 7:31 p.m. (Madrid time) and will end at 8:53 p.m. From there, the partial part of the eclipse can be observed until 9:56 p.m., when it will end.

The totality phase begins when the full Moon is still below the horizon line in Spain, so in our country cannot be seen from the beginning. However, the end can be seen. When the full Moon in September appears over the horizon in Spain, it will still do so totally eclipsed, of a reddish color.

The departure of our satellite is scheduled for between 8:00 p.m. and 8:30 p.m., depending on where you are. and the moment of greatest intensity of the lunar eclipse will take place around 8:12 p.m.. This is when it will look a more intense red color.

blood corn moon

The September full moon is traditionally known as corn moonsince corn is one of the crops that are harvested at this time of year.

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Other popular names for this full moon, according to The Old Farmer’s Almanac, are also related to what happens in nature at this time: autumn moon, Moon of falling leaves, Brown Leaf Moon, Moon of yellowing leaves either mating moon (since animals like elk or deer mate during this month).

This year, with the total eclipse, the Corn Moon will become a wonderful blood moon.

How to see the total lunar eclipse well

Unlike what happens with solar eclipses, Lunar eclipses do not pose any danger to eyesight. and can be enjoyed without using any type of eye protection. Binoculars or a telescope can be useful to better enjoy the details.

The Moon will rise in the east while the sun sets in the west, as always happens during a full Moon, so there will be no risk in looking toward the Moon as it rises above the horizon.

Whether it can be observed well will depend on whether there are no clouds in the sky. If the weather conditions are favorable, all you have to do is look for a site without light pollution nor buildings or trees that cover the moon and direct your gaze to the sky.

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