July’s ‘Buck moon’ — so named for its appearance at the time of year when young deer begin growing their antlers — dazzled sky-gazers across the globe earlier today with its staggering display.

The spectacle was also a so-called ‘penumbral lunar eclipse’, an event in which the moon passes into the lightest part of the Earth’s shadow — the penumbra’ — causing the lunar surface to appear to dim ever so slightly.

This is different from a partial or total lunar eclipse, in which the moon passes in to the umbra — the darkest part of the shadow cast by the Earth — and so part or all of the lunar surface falls into a deeper shadow.

For UK observers, the penumbral eclipse peaked between the hours of 04:00 and 06:00 — however, even seen at its greatest extent, only 35 per cent of the visible moon was in shadow, making it impossible to discern by eye.

Last night’s penumbral eclipse was the third of four to take place this year — with the next scheduled for 29–30 November and likely to be visible across much of Europe, the US, Asia, the Pacific and South America.

July's 'Buck moon' — so named for its appearance at the time of year when young deer begin growing their antlers — dazzled sky-gazers across the globe earlier today with its staggering display. Pictured, the moon seen rising above the Rampion wind farm, off of West Sussex's southern coast, during last night's penumbral lunar eclipse

July’s ‘Buck moon’ — so named for its appearance at the time of year when young deer begin growing their antlers — dazzled sky-gazers across the globe earlier today with its staggering display. Pictured, the moon seen rising above the Rampion wind farm, off of West Sussex’s southern coast, during last night’s penumbral lunar eclipse

The spectacle was also a so-called 'penumbral lunar eclipse', an event in which the moon passes into the lightest part of the Earth's shadow — the penumbra' — causing the lunar surface to appear to dim ever so slightly. Pictured: the full moon seen rising behind the Kreuzenstein castle in Leobendorf, Austria

The spectacle was also a so-called ‘penumbral lunar eclipse’, an event in which the moon passes into the lightest part of the Earth’s shadow — the penumbra’ — causing the lunar surface to appear to dim ever so slightly. Pictured: the full moon seen rising behind the Kreuzenstein castle in Leobendorf, Austria

A penumbral lunar eclipse is different from a partial or total lunar eclipse. In the latter cases, the moon passes into the umbra — the darkest part of the shadow cast by the Earth — and part or all of the lunar surface falls into a deeper shadow. Pictured, the full moon taking on an orange hue as seen last night behind the Rande Bridge over the Vigo estuary in northwestern Spain

A penumbral lunar eclipse is different from a partial or total lunar eclipse. In the latter cases, the moon passes into the umbra — the darkest part of the shadow cast by the Earth — and part or all of the lunar surface falls into a deeper shadow. Pictured, the full moon taking on an orange hue as seen last night behind the Rande Bridge over the Vigo estuary in northwestern Spain

For UK observers, the penumbral eclipse peaked between the hours of 04:00 and 06:00 — however, even seen at its greatest extent, only 35 per cent of the visible moon was in shadow, making it difficult to discern by eye. Pictured, last night's full moon as seen behind a firework display in the US, in celebration of the fourth of July

For UK observers, the penumbral eclipse peaked between the hours of 04:00 and 06:00 — however, even seen at its greatest extent, only 35 per cent of the visible moon was in shadow, making it difficult to discern by eye. Pictured, last night’s full moon as seen behind a firework display in the US, in celebration of the fourth of July

Unfortunately for amateur stargazers, the visual effect of a penumbral eclipse is normally only noticeable when around 70 per cent of the moon's diameter has fallen into the Earth's penumbra. Pictured, the moon 'gazes' down upon the Empire State Building in New York City, which was lit up in the colours of the US flag

Unfortunately for amateur stargazers, the visual effect of a penumbral eclipse is normally only noticeable when around 70 per cent of the moon’s diameter has fallen into the Earth’s penumbra. Pictured, the moon ‘gazes’ down upon the Empire State Building in New York City, which was lit up in the colours of the US flag

Unfortunately for amateur stargazers, the visual effect of a penumbral eclipse is normally only noticeable when around 70 per cent of the moon’s diameter has fallen into the Earth’s penumbra.

‘Because the Moon will only pass one third of the way into Earth’s penumbral shadow during the July 4/5 lunar eclipse, it will not be visible to the naked eye,’ astrophysicist Fred Espenak told spaceweather.com.

‘Digital photography can reveal the subtle shading if the contrast of the image is greatly increased,’ he added.

‘Some people who have very acute vision and better-than-average perception might notice an ever-so-slight shading when only 50 per cent of the moon is inside the penumbra,’ agreed space.com columnist Joe Rao.

‘But in the case of Saturday night, the obscuration amounts to just a tad over 35 per cent — not enough to make any kind of visual impact.’ 

‘Buck moon’ is just one of several popular names for the full moon seen at this time of year — with others including the ‘Thunder moon’, ‘Hay moon’, ‘Mead moon’, ‘Rose moon’, ‘Elk moon’ and ‘Summer moon’.

‘The Maine Farmer’s Almanac first published “Indian” names for the full moons in the 1930’s,’ explained NASA Program Executive Gordon Johnston in a blog post.

‘According to this almanac, as the full moon in July and the first full moon of summer, the Algonquin tribes of what is now the northeastern United States called this full moon the Buck moon. Early summer is normally when the new antlers of buck deer push out of their foreheads in coatings of velvety fur,’ he continued.

‘They also called this the Thunder moon because of early summer’s frequent thunderstorms.’

'Because the Moon will only pass one third of the way into Earth’s penumbral shadow during the July 4/5 lunar eclipse, it will not be visible to the naked eye,' astrophysicist Fred Espenak told spaceweather.com. 'Digital photography can reveal the subtle shading if the contrast of the image is greatly increased,' he added. Pictured, the full moon shining last night above the statue at the top of the Spanish City building in Whitley Bay, in the north-east of England

‘Because the Moon will only pass one third of the way into Earth’s penumbral shadow during the July 4/5 lunar eclipse, it will not be visible to the naked eye,’ astrophysicist Fred Espenak told spaceweather.com. ‘Digital photography can reveal the subtle shading if the contrast of the image is greatly increased,’ he added. Pictured, the full moon shining last night above the statue at the top of the Spanish City building in Whitley Bay, in the north-east of England

'Some people who have very acute vision and better-than-average perception might notice an ever-so-slight shading when only 50% of the moon is inside the penumbra,' agreed space.com sky-watching columnist Joe Rao. 'But in the case of Saturday night, the obscuration amounts to just a tad over 35 percent — not enough to make any kind of visual impact.' Pictured, the full moon seen rising last night above the capital city of Skopje in the Republic of North Macedonia

‘Some people who have very acute vision and better-than-average perception might notice an ever-so-slight shading when only 50% of the moon is inside the penumbra,’ agreed space.com sky-watching columnist Joe Rao. ‘But in the case of Saturday night, the obscuration amounts to just a tad over 35 percent — not enough to make any kind of visual impact.’ Pictured, the full moon seen rising last night above the capital city of Skopje in the Republic of North Macedonia

For UK observers, the penumbral eclipse peaked between the hours of 04:00 and 06:00 — however, even seen at its greatest extent, only 35 per cent of the visible moon was in shadow, making it impossible to discern by eye. In the above photos taken from Jakarta, however, the progression of the penumbral eclipse from beginning (top) to its maximum (bottom) can be seen

For UK observers, the penumbral eclipse peaked between the hours of 04:00 and 06:00 — however, even seen at its greatest extent, only 35 per cent of the visible moon was in shadow, making it impossible to discern by eye. In the above photos taken from Jakarta, however, the progression of the penumbral eclipse from beginning (top) to its maximum (bottom) can be seen

'Buck moon' is just one of several popular names for the full moon seen at this time of year — with others including the 'Thunder moon', 'Hay moon', 'Mead moon', 'Rose moon', 'Elk moon' and 'Summer moon'. Pictured, the full moon seen rising last night above Ankara, the capital of Turkey

‘Buck moon’ is just one of several popular names for the full moon seen at this time of year — with others including the ‘Thunder moon’, ‘Hay moon’, ‘Mead moon’, ‘Rose moon’, ‘Elk moon’ and ‘Summer moon’. Pictured, the full moon seen rising last night above Ankara, the capital of Turkey

'The Maine Farmer's Almanac first published "Indian" names for the full moons in the 1930's,' wrote NASA Program Executive Gordon Johnston in a blog post, explaining why last night's event (pictured here above Brasilia, Brazil) is called a Buck moon

‘The Maine Farmer’s Almanac first published “Indian” names for the full moons in the 1930’s,’ wrote NASA Program Executive Gordon Johnston in a blog post, explaining why last night’s event (pictured here above Brasilia, Brazil) is called a Buck moon

'According to this almanac, as the full moon in July and the first full moon of summer, the Algonquin tribes of what is now the northeastern United States called this full moon the Buck moon. Early summer is normally when the new antlers of buck deer push out of their foreheads in coatings of velvety fur,' NASA Program Executive Gordon Johnston continued

‘According to this almanac, as the full moon in July and the first full moon of summer, the Algonquin tribes of what is now the northeastern United States called this full moon the Buck moon. Early summer is normally when the new antlers of buck deer push out of their foreheads in coatings of velvety fur,’ NASA Program Executive Gordon Johnston continued

In Europe, the full moon of this time of year has traditionally been referred to as a ‘Hay moon’ — in a nod to the haymaking of June and July — and occasionally as a ‘Mead’ or ‘Rose’ moon, although such names are also known to be given to the previous full moon as well.

For adherents of Hinduism, this moon is known as the ‘Guru full moon’, and coincides with the tradition of Guru Purnima — a time in which one both clears the mind and honours gurus and spiritual masters.

In Theravada Buddhism, meanwhile, the Buck moon signifies the arrival of ‘Dharma Day’ — or Asalha Puja — an important festival that celebrates Buddha’s first sermon following his enlightenment.

In Europe, the full moon of this time of year has traditionally been referred to as a 'Hay moon' — in a nod to the haymaking of June and July — and occasionally as a 'Mead' or 'Rose' moon, although such names are also known to be given to the previous full moon as well. Pictured, last night's Full moon seen rising over the Prime and Foreign Ministry buildings in Moscow, Russia

In Europe, the full moon of this time of year has traditionally been referred to as a ‘Hay moon’ — in a nod to the haymaking of June and July — and occasionally as a ‘Mead’ or ‘Rose’ moon, although such names are also known to be given to the previous full moon as well. Pictured, last night’s Full moon seen rising over the Prime and Foreign Ministry buildings in Moscow, Russia

For adherents of Hinduism, this moon is known as the 'Guru full moon', and coincides with the tradition of Guru Purnima — a time in which one both clears the mind and honours gurus and spiritual masters. Pictured, a person is caught in silhouette of in front of the full moon in the Darende district of the city of Malatya, Turkey

For adherents of Hinduism, this moon is known as the ‘Guru full moon’, and coincides with the tradition of Guru Purnima — a time in which one both clears the mind and honours gurus and spiritual masters. Pictured, a person is caught in silhouette of in front of the full moon in the Darende district of the city of Malatya, Turkey

In Theravada Buddhism, meanwhile, the Buck moon signifies the arrival of 'Dharma Day' — or Asalha Puja — an important festival that celebrates Buddha's first sermon following his enlightenment. Pictured, the moon seen from Krasnodar, Russia

In Theravada Buddhism, meanwhile, the Buck moon signifies the arrival of ‘Dharma Day’ — or Asalha Puja — an important festival that celebrates Buddha’s first sermon following his enlightenment. Pictured, the moon seen from Krasnodar, Russia

source: dailymail.co.uk

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