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71433955 - Brilliant Blue Sky and Red Sandstone in Badlands National Park

A panorama of the Kp5-level aurora on May 27, 2022, from home, with the aurora displaying prominent magenta rays, created by the red oxygen emission blending with illumination from blue scattered sunlight at high altitudes, common around the summer solstice when the high atmosphere is lit all night long. As a bonus, a dim STEVE arc is forming at far right, to the south of the main auroral oval where STEVE normally appears. STEVE faded, then returned to become more strong and visible across the sky from east to west as the main aurora to the north faded.

13900512 - A panorama of the Kp5-level aurora on May 27, 2022, from home, with the aurora displaying prominent magenta rays, created by the red oxygen emission blending with illumination from blue scattered sunlight at high altitudes, common around the summer solstice when the high atmosphere is lit all night long. As a bonus, a dim STEVE arc is forming at far right, to the south of the main auroral oval where STEVE normally appears. STEVE faded, then returned to become more strong and visible across the sky from east to west as the main aurora to the north faded.

71443360 - Lonely person stands in a red rocky landscape against a blue sky

Blossoming apple trees in an orchard with a red barn in the foreground and snow-covered Mount Hood in the distance against a bright blue sky,Hood River,Oregon,United States of America

13988806 - Blossoming apple trees in an orchard with a red barn in the foreground and snow-covered Mount Hood in the distance against a bright blue sky,Hood River,Oregon,United States of America

The rising "supermoon" of July 12, 2022 embedded in the blue arc of Earth's shadow, rimmed by the pink Belt of Venus band of twilight colours, all over the badlands formations of Dinosaur Provincial Park on the Red Deer River in Alberta, Canada. The blue band on the horizon is the shadow of the Earth cast onto the atmosphere opposite the sunset point. The pink Belt of Venus above the shadow is from red sunlight still illuminating the upper atmosphere, an effect that lasts only a few minutes at sunset or sunrise, and requires a very clear sky to show up, as it was this night.

13898804 - The rising "supermoon" of July 12, 2022 embedded in the blue arc of Earth's shadow, rimmed by the pink Belt of Venus band of twilight colours, all over the badlands formations of Dinosaur Provincial Park on the Red Deer River in Alberta, Canada. The blue band on the horizon is the shadow of the Earth cast onto the atmosphere opposite the sunset point. The pink Belt of Venus above the shadow is from red sunlight still illuminating the upper atmosphere, an effect that lasts only a few minutes at sunset or sunrise, and requires a very clear sky to show up, as it was this night.

13898526 - The rising "supermoon" of July 12, 2022 embedded in the blue arc of Earth's shadow, rimmed by the pink Belt of Venus band of twilight colours, all over the badlands formations of Dinosaur Provincial Park on the Red Deer River in Alberta, Canada. The blue arc is the shadow of the Earth cast onto the atmosphere opposite the sunset point. The pink Belt of Venus is from red sunlight still illuminating the upper atmosphere, an effect that lasts only a few minutes at sunset or sunrise, and requires a very clear sky to show up, as it was this night.

13797316 - Oia, Santorini, Greece. Village of Oia with blue and red wooden gates and painted buildings overlook the Caldera

Hiking trail through Snow Canyon,with circles of stones in a meeting area behind the Red Mountain Spa,with meditation maze and Snow Canyon Mountain Range in the background. Red Cliffs Desert Reserve around St George Town with rock cliffs and dark clouds in a blue sky,St George,Utah,United States of America

13985696 - Hiking trail through Snow Canyon,with circles of stones in a meeting area behind the Red Mountain Spa,with meditation maze and Snow Canyon Mountain Range in the background. Red Cliffs Desert Reserve around St George Town with rock cliffs and dark clouds in a blue sky,St George,Utah,United States of America

13985695 - Hiking trail through Snow Canyon,with circles of stones in a meeting area behind the Red Mountain Spa,with meditation maze and Snow Canyon Mountain Range in the background. Red Cliffs Desert Reserve around St George Town with rock cliffs and dark clouds in a blue sky,St George,Utah,United States of America

13985697 - Hiking trail through Snow Canyon,with circles of stones in a meeting area behind the Red Mountain Spa,with meditation maze and Snow Canyon Mountain Range in the background. Red Cliffs Desert Reserve around St George Town with bright sunburst in a blue sky,St George,Utah,United States of America

Gnarly,desert tree along hiking trail through Snow Canyon,behind the Red Mountain Spa,at Red Cliffs Desert Reserve around St George Town with red,rock cliffs and dry brush under a cloudy,blue sky,St George,Utah,United States of America

13985699 - Gnarly,desert tree along hiking trail through Snow Canyon,behind the Red Mountain Spa,at Red Cliffs Desert Reserve around St George Town with red,rock cliffs and dry brush under a cloudy,blue sky,St George,Utah,United States of America

Hiking trail through Snow Canyon,behind the Red Mountain Spa on Red Cliffs Desert Reserve around St George Town with dry bushes,red,rock cliffs and dark clouds in a blue sky,St George,Utah,United States of America

13985698 - Hiking trail through Snow Canyon,behind the Red Mountain Spa on Red Cliffs Desert Reserve around St George Town with dry bushes,red,rock cliffs and dark clouds in a blue sky,St George,Utah,United States of America

Hiking trail through Snow Canyon,behind the Red Mountain Spa on Red Cliffs Desert Reserve around St George Town with red,rock cliffs and dark clouds in a blue sky,St George,Utah,United States of America

13985694 - Hiking trail through Snow Canyon,behind the Red Mountain Spa on Red Cliffs Desert Reserve around St George Town with red,rock cliffs and dark clouds in a blue sky,St George,Utah,United States of America

71401272 - Blue tit with food in its beak against a red background

71376396 - Red houses with a church in the village of Skärhamn on the archipelago island of Tjörn on the west coast of Sweden, blue sky with sun

71364987 - Blue door on red brick house wall, Ulyanovsk, Ulyanovsk District, Russia, Europe

71415143 - Colorful red green blue Houses Apartment Buildings Cars Bus Streets Ocean, Reykjavik, Iceland.

71361170 - View of a red Swedish house against a blue sky with 2 chimneys, Grimsholmen, Halland, Sweden

71359680 - Classic red car in front of a blue building in Viñales, Cuba

13900844 - Norwegian fjord at blue hour with typical illuminated red cabins, Moskenesoya, Nordland, Lofoten, Norway, Scandinavia, Europe

Harbor and red houses with church in the village of Skärhamn on the archipelago island of Tjörn on the west coast of Sweden, blue sky with sun

71376398 - Harbor and red houses with church in the village of Skärhamn on the archipelago island of Tjörn on the west coast of Sweden, blue sky with sun

Red houses with church and boats in the village of Skärhamn on the archipelago island of Tjörn on the west coast of Sweden, blue sky with sun

71376397 - Red houses with church and boats in the village of Skärhamn on the archipelago island of Tjörn on the west coast of Sweden, blue sky with sun

70429700 - Mean Ruz lighthouse in blue light at dusk with typical red stones of the Cote de Granit Rose in the foreground, Brittany, France

71384108 - Looking up red flowers of Flame Tree against blue sky

71089033 - Rest of a tree as a silhouette in the golf of Mexico against the red and blue sky shortly after the sunset, Sanibel, Florida, USA

71344710 - Red roofs with chimneys in front of the blue Atlantic, Luz, Algarve, Portugal

71315786 - Red house and blue sky in Roussillion in the Luberon, Provence, France

70224019 - Red facade under blue sky, Arquitectonica's Imperial Condomium, Brickell Avenue, Miami, Florida, USA

71344705 - Row of houses on a steep street with blue windows and red roofs, Odeceixe, Algarve, Portugal

Red oldtimer on the beach of Cayo Jutias, beach holiday, lonely dream beach, beautiful small sandy beach, turquoise blue sea, palm tree, family travel to Cuba, parental leave, holiday, time-out, adventure, Cayo Jutias, near Santa Lucia and Vinales, Pinar

71193536 - Red oldtimer on the beach of Cayo Jutias, beach holiday, lonely dream beach, beautiful small sandy beach, turquoise blue sea, palm tree, family travel to Cuba, parental leave, holiday, time-out, adventure, Cayo Jutias, near Santa Lucia and Vinales, Pinar

70454281 - Red balloons against blue sky, Weiterdingen castle, Hilzingen, Baden-Wuerttemberg, Germany

70454282 - Red balloons against blue sky, English Garden, Munich, Upper Bavaria, Bavaria, Germany

71193537 - Red oldtimer on the beach of Cayo Jutias, beach holiday, lonely dream beach, beautiful small sandy beach, turquoise blue sea, palm tree, family travel to Cuba, parental leave, holiday, time-out, adventure, Cayo Jutias, near Santa Lucia and Vinales, Pinar

red oldtimer, woman with kid cycling along the lonely coast road from La Boca to Playa Ancon, with beautiful small beaches in between, turquoise blue sea, family travel to Cuba, parental leave, holiday, time-out, adventure, MR, La Boca, Trinidad, Cuba, Ca

71193426 - red oldtimer, woman with kid cycling along the lonely coast road from La Boca to Playa Ancon, with beautiful small beaches in between, turquoise blue sea, family travel to Cuba, parental leave, holiday, time-out, adventure, MR, La Boca, Trinidad, Cuba, Ca

71193428 - red oldtimer, woman with kid cycling along the lonely coast road from La Boca to Playa Ancon, with beautiful small beaches in between, turquoise blue sea, family travel to Cuba, parental leave, holiday, time-out, adventure, MR, La Boca, Trinidad, Cuba, Ca

70164228 - Straw broom with red handle lean against blue stucco exterior wall, metal frame over window. La Paz. Mexico.

70479314 - A woman with red dress walks through the blue colored streets of the blue city of Chefchaouen, Morocco

70328994 - A red capsicum isolated against a blue background

70497663 - Red haired teenage girl with blue sweater and blue eyes looking dreamy, Clonmacnoise, County Offaly, Ireland, Europe

70296349 - Blue Creole house with Red Ginger flowers Alpinia purpurata), Piton Sainte-Rose, East Reunion, Reunion island, France

70188618 - Bright red stunt plane flying downward in a spiral against a clear blue sky at an air show

Blue, Close up, Close-up, Closeup, Color, Colour, Concept, Concepts, Figure, Figures, Health, Hospital, Hospitals, Indoor, Indoors, Information, Interior, Medical, Medicine, Red Cross, Sign, Signs, Symbol, Symbols, B75-509092, agefotostock

70105863 - Blue, Close up, Close-up, Closeup, Color, Colour, Concept, Concepts, Figure, Figures, Health, Hospital, Hospitals, Indoor, Indoors, Information, Interior, Medical, Medicine, Red Cross, Sign, Signs, Symbol, Symbols, B75-509092, agefotostock

70107868 - Red door and blue church belfries. Ia village. Santorini (Cyclades). Greece

71337238 - Red life preserver against blue wall

red oldtimer on a lonely coast road from La Boca to Playa Ancon, with beautiful small beaches in between, turquoise blue sea, family travel to Cuba, parental leave, holiday, time-out, adventure, near Trinidad, Cuba, Caribbean island

71193427 - red oldtimer on a lonely coast road from La Boca to Playa Ancon, with beautiful small beaches in between, turquoise blue sea, family travel to Cuba, parental leave, holiday, time-out, adventure, near Trinidad, Cuba, Caribbean island

This frames two contrasting nebulas on the border of Canis Major and Monoceros. At top is the large Seagull Nebula or IC 2177, an area of mostly red hydrogen-alpha emission and is a region of star formation, though it contains some blue reflection nebulas.

14249316 - This frames two contrasting nebulas on the border of Canis Major and Monoceros. At top is the large Seagull Nebula or IC 2177, an area of mostly red hydrogen-alpha emission and is a region of star formation, though it contains some blue reflection nebulas.

71466266 - Kirkabister lighthouse stands on a rocky arch by the sea. Red sunset, blue sky.

A nightscape scene under a twilight "blue-hour" sky, on the Red Rock Canyon Road in Waterton Lakes National Park, Alberta, looking west toward the sunset with the four-day-old crescent Moon setting alongside the stars of Leo to the left.

14248670 - A nightscape scene under a twilight "blue-hour" sky, on the Red Rock Canyon Road in Waterton Lakes National Park, Alberta, looking west toward the sunset with the four-day-old crescent Moon setting alongside the stars of Leo to the left.

71466265 - Kirkabister lighthouse stands on a rocky arch by the sea. Red sunset, blue sky.

14207330 - Red Sand dunes against a bright blue sky in the Sossusvlei. Namib Naukluft Park, Namib Desert, Namibia.

This is the bright reflection nebula complex that includes Messier 78 (the largest blue-white nebula) and NGC 2071 above it. They are set in a region of dark clouds of interstellar dust, and framed by the red-magenta arc of the emission nebula known as Barnard's Loop, aka Sharpless 2-276. The small reflection nebula at upper left on the edge of another dark cloud is van den Bergh 62. The large star cluster left of centre on the edge of the Loop is NGC 2112.

14249298 - This is the bright reflection nebula complex that includes Messier 78 (the largest blue-white nebula) and NGC 2071 above it. They are set in a region of dark clouds of interstellar dust, and framed by the red-magenta arc of the emission nebula known as Barnard's Loop, aka Sharpless 2-276. The small reflection nebula at upper left on the edge of another dark cloud is van den Bergh 62. The large star cluster left of centre on the edge of the Loop is NGC 2112.

The dusty blue reflection nebulas Messier 78 (bottom) and NGC 2071 (top) in Orion near the red arc of Barnard's Loop at left. A fan-shaped reflection nebula above NGC 2071 is not identified on any charts I had. Dark dust lanes run through the region and colour the sky brown. The tiny variable nebula known as McNeil's Nebula is below M78. Remarkably,some small 16th magnitude galaxies in the PGC catalog are recorded amid the dust at upper right in the frame.

13999043 - The dusty blue reflection nebulas Messier 78 (bottom) and NGC 2071 (top) in Orion near the red arc of Barnard's Loop at left. A fan-shaped reflection nebula above NGC 2071 is not identified on any charts I had. Dark dust lanes run through the region and colour the sky brown. The tiny variable nebula known as McNeil's Nebula is below M78. Remarkably,some small 16th magnitude galaxies in the PGC catalog are recorded amid the dust at upper right in the frame.

A rich starfield in the constellation of Vulpecula the Fox,in the Milky Way,with a mix of nebulosity. At bottom is the Coathanger asterism of stars,aka Collinder 399,or Brocchi's Cluster. At top left is the emission nebula NGC 6820. Other dark nebulas from the Lynds Dark Nebula catalogue populate the field. The blue glow above the Coathanger is reflection nebulosity which does not appear to have a catlogue number. A small reflection nebula around the blue stars at right is van den Burgh 126. The small round red emission nebula at lower left is Sharpless 2-82. The yellow star at top right is An

13998813 - A rich starfield in the constellation of Vulpecula the Fox,in the Milky Way,with a mix of nebulosity. At bottom is the Coathanger asterism of stars,aka Collinder 399,or Brocchi's Cluster. At top left is the emission nebula NGC 6820. Other dark nebulas from the Lynds Dark Nebula catalogue populate the field. The blue glow above the Coathanger is reflection nebulosity which does not appear to have a catlogue number. A small reflection nebula around the blue stars at right is van den Burgh 126. The small round red emission nebula at lower left is Sharpless 2-82. The yellow star at top right is An

This is a framing of the rich array of nebulas in central Auriga. The complex of star cluster Stock 8 and IC 417 is at upper left. The large nebula at lower centre is IC 410 with the star cluster NGC 1893 embedded in it. The large nebula at right is IC 405, aka the Flaming Star Nebula, with a mix of red emission and blue reflection nebulosity.

13899799 - This is a framing of the rich array of nebulas in central Auriga. The complex of star cluster Stock 8 and IC 417 is at upper left. The large nebula at lower centre is IC 410 with the star cluster NGC 1893 embedded in it. The large nebula at right is IC 405, aka the Flaming Star Nebula, with a mix of red emission and blue reflection nebulosity.

13899593 - This is a framing of the rich array of nebulas in central Auriga. The complex of star cluster Stock 8 and IC 417 is at upper left. The large nebula at lower centre is IC 410 with the star cluster NGC 1893 embedded in it. The large nebula at right is IC 405, aka the Flaming Star Nebula, with a mix of red emission and blue reflection nebulosity.

This is a rich region in the Milky Way in northern Sagittarius. with four Messier objects: The Small Sagittarius Starcloud,aka Messier 24,is at right of centre,flanked by: the pink Messier 17,the Swan or Omega Nebula,above; and the star cluster Messier 25 at lower left. Above M25 at upper left is the star cluster NGC 6645. Below M17 is the small star cluster Messier 18. The small but rich star cluster embedded in the Starcloud is NGC 6603. The nebulosity at bottom is IC 1283,a red emission nebula; and NGC 6589/90 and NGC 6595,both blue reflection nebulas. The dark nebula on the west (right) si

13998256 - This is a rich region in the Milky Way in northern Sagittarius. with four Messier objects: The Small Sagittarius Starcloud,aka Messier 24,is at right of centre,flanked by: the pink Messier 17,the Swan or Omega Nebula,above; and the star cluster Messier 25 at lower left. Above M25 at upper left is the star cluster NGC 6645. Below M17 is the small star cluster Messier 18. The small but rich star cluster embedded in the Starcloud is NGC 6603. The nebulosity at bottom is IC 1283,a red emission nebula; and NGC 6589/90 and NGC 6595,both blue reflection nebulas. The dark nebula on the west (right) si

The northern summer Milky Way setting over the mountains of Waterton Lakes National Park, Alberta, Canada, with warm golden lighting supplied by the rising waning Moon (behind the camera) illuminating the landscape and sky in a “moonstrike” effect. Taken on September 21, 2019, in frames taken as part of a time-lapse. Faint bands of red airglow tint the sky, though the blue sky colour is from the moonlight. This is taken during the lunar “golden hour.”

13900291 - The northern summer Milky Way setting over the mountains of Waterton Lakes National Park, Alberta, Canada, with warm golden lighting supplied by the rising waning Moon (behind the camera) illuminating the landscape and sky in a “moonstrike” effect. Taken on September 21, 2019, in frames taken as part of a time-lapse. Faint bands of red airglow tint the sky, though the blue sky colour is from the moonlight. This is taken during the lunar “golden hour.”

The small constellation of Sagitta the Arrow, in the Milky Way. The small globular cluster, Messier 71, is between Gamma Sagittae and Delta Sagittae. Below M71 is the very sparse star cluster Harvard 20. The emission nebula Sharpless 2-84 is supposedly at centre but does not show up here except perhaps as a dim blue area of reflection nebulosity, though there is some faint red emission nebulosity at lower right.

13899970 - The small constellation of Sagitta the Arrow, in the Milky Way. The small globular cluster, Messier 71, is between Gamma Sagittae and Delta Sagittae. Below M71 is the very sparse star cluster Harvard 20. The emission nebula Sharpless 2-84 is supposedly at centre but does not show up here except perhaps as a dim blue area of reflection nebulosity, though there is some faint red emission nebulosity at lower right.

The Full Moon of July 11, 2014, dubbed a "supermoon" as it ocurred within a day of perigee, rising over the sandstone concretions of Red Rock Coulee Natural Area in southern Alberta. The Moon sits just above the pink Belt of Venus and the dark blue shadow of the Earth rising in the east.

13899925 - The Full Moon of July 11, 2014, dubbed a "supermoon" as it ocurred within a day of perigee, rising over the sandstone concretions of Red Rock Coulee Natural Area in southern Alberta. The Moon sits just above the pink Belt of Venus and the dark blue shadow of the Earth rising in the east.

The rising nearly Full Moon of December 19, 2021, above a snowy prairie scene with a lone tree, and the cold blue twilight lighting the snow, contrasting with the pink of the Belt of Venus above. The Moon is partly in a narrow band of cloud and is exhibiting a slight green flash phenomenon on its distorted upper edge, and red limb on its lower edge from atmospheric dispersion.

13897949 - The rising nearly Full Moon of December 19, 2021, above a snowy prairie scene with a lone tree, and the cold blue twilight lighting the snow, contrasting with the pink of the Belt of Venus above. The Moon is partly in a narrow band of cloud and is exhibiting a slight green flash phenomenon on its distorted upper edge, and red limb on its lower edge from atmospheric dispersion.

71440866 - Red, Green & Blue Train, Freight train on bridge over River Rhein, Eglisau, Switzerland

The northern sky over the Hoodoos badlands formations in the Red Deer River valley near Drumheller,Alberta,on a night with some aurora tinting the sky yellow and magenta,with a touch of blue. The foreground is lit partly by a yardlight nearby and car headlights. The Big Dipper is at left; Polaris and the Little Dipper are above centre; the W of Cassiopeia is at upper right.

13998900 - The northern sky over the Hoodoos badlands formations in the Red Deer River valley near Drumheller,Alberta,on a night with some aurora tinting the sky yellow and magenta,with a touch of blue. The foreground is lit partly by a yardlight nearby and car headlights. The Big Dipper is at left; Polaris and the Little Dipper are above centre; the W of Cassiopeia is at upper right.

Colourful auroral curtains appearing in deep twilight on a Kp6 night on February 26,2023 from the Churchill Northern Studies Centre,Churchill,Manitoba,at 58° N. The blue twilight colours blend with the aurora colours to produce a multi-coloured display,with rich magentas,not deep red. The green also appears in different shades.

13998273 - Colourful auroral curtains appearing in deep twilight on a Kp6 night on February 26,2023 from the Churchill Northern Studies Centre,Churchill,Manitoba,at 58° N. The blue twilight colours blend with the aurora colours to produce a multi-coloured display,with rich magentas,not deep red. The green also appears in different shades.

An all-sky aurora with green and purple curtains, the night of June 7-8, 2014, starting up about 12:30 and going until dawn. This shot was near its peak, from the old barn site near home in southern Alberta. Foreground illumination is from the aurora and ambient sky -- the Moon had set. The Big Dipper is above the Barn. The purple colour is from blue scatttered sunlight hitting the red tops of the auroral curtains. This was with the 16-35mm lens at f/3.2 for 20 seconds at ISO 1600 with the Canon 6D.

13900093 - An all-sky aurora with green and purple curtains, the night of June 7-8, 2014, starting up about 12:30 and going until dawn. This shot was near its peak, from the old barn site near home in southern Alberta. Foreground illumination is from the aurora and ambient sky -- the Moon had set. The Big Dipper is above the Barn. The purple colour is from blue scatttered sunlight hitting the red tops of the auroral curtains. This was with the 16-35mm lens at f/3.2 for 20 seconds at ISO 1600 with the Canon 6D.

13898027 - An all-sky aurora with green and purple curtains, the night of June 7-8, 2014, starting up about 12:30 and going until dawn. This shot was near its peak, from the old barn site near home in southern Alberta. Foreground illumination is from the aurora and ambient sky -- the Moon had set. The Big Dipper is above the Barn. The purple colour is from blue scatttered sunlight hitting the red tops of the auroral curtains. This was with the 16-35mm lens at f/3.2 for 20 seconds at ISO 1600 with the Canon 6D.

13878551 - Red and gold ornate architectural detail of a pagoda and a blue sky

A wide-angle view of the total eclipse of the Moon of November 8, 2022, with the red Moon at right amid the stars of the northern winter sky and Milky Way, plus with bright red Mars at top. Above and left of the Moon is the blue Pleiades star cluster, while below it and to the left is the larger Hyades cluster with reddish Aldebaran in Taurus. The stars of Orion are left of centre, including reddish Betelgeuse, while at far left are the two Dog Stars: Procyon, at top, in Canis Minor, and Sirius, at bottom, in Canis Major.

13899282 - A wide-angle view of the total eclipse of the Moon of November 8, 2022, with the red Moon at right amid the stars of the northern winter sky and Milky Way, plus with bright red Mars at top. Above and left of the Moon is the blue Pleiades star cluster, while below it and to the left is the larger Hyades cluster with reddish Aldebaran in Taurus. The stars of Orion are left of centre, including reddish Betelgeuse, while at far left are the two Dog Stars: Procyon, at top, in Canis Minor, and Sirius, at bottom, in Canis Major.

Comet Lovejoy, C/2014 Q2 amid the clusters, nebulas and dark dust clouds of Taurus and Perseus, on Friday, January 16, 2016. Its long blue ion tail stretches back at least 15°, almost to the open cluster NGC 1647 on Taurus at the left edge. At centre is the Pleiades star cluster, M45; at top right is the red California Nebula, NGC 1499, in Perseus, while the field is filled with the dark dusty lanes of the Taurus Dark Clouds. At left is the red giant star Aldebaran amid the V-shaped Hyades star cluster.

13899076 - Comet Lovejoy, C/2014 Q2 amid the clusters, nebulas and dark dust clouds of Taurus and Perseus, on Friday, January 16, 2016. Its long blue ion tail stretches back at least 15°, almost to the open cluster NGC 1647 on Taurus at the left edge. At centre is the Pleiades star cluster, M45; at top right is the red California Nebula, NGC 1499, in Perseus, while the field is filled with the dark dusty lanes of the Taurus Dark Clouds. At left is the red giant star Aldebaran amid the V-shaped Hyades star cluster.

The Belt of Orion with the Horsehead Nebula at botton, the dark nebula set in the bright emission nebula IC 434. The nebula at left of the Zeta Orionis (aka Alnitak) is the Flame Nebula, NGC 2024. The reflection nebula at upper left is the M78 complex with NGC 2071. The other Belt stars are Alnilan (centre) and Mintaka (upper right). The field contains a wealth of other blue reflection and red emission nebulas.

13897998 - The Belt of Orion with the Horsehead Nebula at botton, the dark nebula set in the bright emission nebula IC 434. The nebula at left of the Zeta Orionis (aka Alnitak) is the Flame Nebula, NGC 2024. The reflection nebula at upper left is the M78 complex with NGC 2071. The other Belt stars are Alnilan (centre) and Mintaka (upper right). The field contains a wealth of other blue reflection and red emission nebulas.

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13823472 - above; aerial; aerial view; architecture; attraction; austria; balcony; beautiful; bell; belltower; blue; brick; building; castle; city; cityscape; clear; clock; clocks; clocktower; day; daylight; daytime; destination; downtown; europe; european; exterior; exteriors; famous; fortification; fortress; graz; green; heritage; hill; historic; historical; house; landmark; main; medieval; monument; mountain; old; outdoor; outdoors; overview; panorama; panoramic; park; people; platz; red; roof; roofs; rooftops; schlossberg; sightseeing; sky; skyline; square; streetcar; styria; summer; sunny; symbol; t

13795940 - Ancient Arab Islamic Red Blue Orange Flower Designs Pottery Vases, Madaba, Jordan

14209807 - USA, Washington State, Colton, Palouse. Red barn, green wheat fields. Blue Sky. (Editorial Use Only)

Orion and the winter stars and constellations in a moonlit sky,on a chilly (-20°C) winter night on January 28,2023. Above Orion is Aldebaran and the Hyades star cluster in Taurus. Below Orion is Sirius in Canis Major. The red giant Betelgeuse and the blue giant Rigel stand out nicely above and below the Belt. Light from the first quarter Moon off frame illuminates the landscape. This serves as a good illustration of how the Belt stars in Orion point up to Aldebaran and down to Sirius.

13999688 - Orion and the winter stars and constellations in a moonlit sky,on a chilly (-20°C) winter night on January 28,2023. Above Orion is Aldebaran and the Hyades star cluster in Taurus. Below Orion is Sirius in Canis Major. The red giant Betelgeuse and the blue giant Rigel stand out nicely above and below the Belt. Light from the first quarter Moon off frame illuminates the landscape. This serves as a good illustration of how the Belt stars in Orion point up to Aldebaran and down to Sirius.

The aptly-named Coathanger Cluster,a more properly an asterism of stars in Vulpecula. A true star cluster,NGC 6802,lies at the left end of the coathanger arm. The field contains diffuse blue reflection nebulosity which appears to not have a catalogue number. The small round emission nebula at bottom is Sharpless 2-82. A very small round red nebula above the right end of the Coathanger is Sh2-83.

13999628 - The aptly-named Coathanger Cluster,a more properly an asterism of stars in Vulpecula. A true star cluster,NGC 6802,lies at the left end of the coathanger arm. The field contains diffuse blue reflection nebulosity which appears to not have a catalogue number. The small round emission nebula at bottom is Sharpless 2-82. A very small round red nebula above the right end of the Coathanger is Sh2-83.

This is the California Nebula,aka NGC 1499,in Perseus near the star Menkib,or Xi Persei,at bottom. While this is primarly an emission nebula,there is dust in the periphery forming some faint reflection nebulosity. The main nebula emits strongly in not only the red H-Alpha wavelength but also the blue-green H-Beta wavelength,thus the pink or magenta colour.

13999255 - This is the California Nebula,aka NGC 1499,in Perseus near the star Menkib,or Xi Persei,at bottom. While this is primarly an emission nebula,there is dust in the periphery forming some faint reflection nebulosity. The main nebula emits strongly in not only the red H-Alpha wavelength but also the blue-green H-Beta wavelength,thus the pink or magenta colour.

The colourful region around Antares in Scorpius, the yellow star at centre. To the right is the globular cluster Messier 4. Above right of Antares is the smaller globular NGC 6144. Above are the nebulas associated with Rho Ophiuchi. The area is filled with reflection (yellow and blue) and emission nebulas (red and pink). The field simulates a binocular field.

13900192 - The colourful region around Antares in Scorpius, the yellow star at centre. To the right is the globular cluster Messier 4. Above right of Antares is the smaller globular NGC 6144. Above are the nebulas associated with Rho Ophiuchi. The area is filled with reflection (yellow and blue) and emission nebulas (red and pink). The field simulates a binocular field.

The Belt and Sword region of Orion, with the Orion Nebula, Messiesr 42 and 43, at bottom. Below the left star of the Belt, Alnitak, is the famous Horsehead Nebula, while above it is NGC 2024, aka the Flame Nebula. At very top left is Messier 78, while part of Barnard’s Loop arc across the field at left. The field is filled with other faint red emission and blue reflection nebulas. The large loose open cluster Collinder 70 surrounds the middle star of the Belt, Alnilam.

13898929 - The Belt and Sword region of Orion, with the Orion Nebula, Messiesr 42 and 43, at bottom. Below the left star of the Belt, Alnitak, is the famous Horsehead Nebula, while above it is NGC 2024, aka the Flame Nebula. At very top left is Messier 78, while part of Barnard’s Loop arc across the field at left. The field is filled with other faint red emission and blue reflection nebulas. The large loose open cluster Collinder 70 surrounds the middle star of the Belt, Alnilam.

Auroral curtains in twilight on March 14, 2018 from at sea north of Tromsø, Norway, on the Hurtigruten ship the m/s Nordnorge, with the curtains showing a purple tinge to the background sky, likely from scattered blue sunlight mixing with the red oxygen colours.

13897902 - Auroral curtains in twilight on March 14, 2018 from at sea north of Tromsø, Norway, on the Hurtigruten ship the m/s Nordnorge, with the curtains showing a purple tinge to the background sky, likely from scattered blue sunlight mixing with the red oxygen colours.

This is the region of the Milky Way that extends from southern Cygnus at top down into Vulpecula and Sagitta at bottom. Below centre is the Coathanger asterism,aka Brocchi's Cluster or Cr399. Above it is the blue reflection nebula Sharpless 2-83. The magenta emission nebula above and to the left is NGC 6820. A small red nebula above it is Sharpless 2-88. The bright star at upper right is Albireo in Cygnus.

13998294 - This is the region of the Milky Way that extends from southern Cygnus at top down into Vulpecula and Sagitta at bottom. Below centre is the Coathanger asterism,aka Brocchi's Cluster or Cr399. Above it is the blue reflection nebula Sharpless 2-83. The magenta emission nebula above and to the left is NGC 6820. A small red nebula above it is Sharpless 2-88. The bright star at upper right is Albireo in Cygnus.

13981922 - India,Uttar Pradesh,taken from a boat on the Ganges,Varanasi,Bonsale Ghat with blue & red wooden boat

The colourful region around yellow Antares (bottom) in Scorpius and blue Rho Ophiuchi (top) in Ophiuchus. The nebulas are largely reflection nebulas, taking on the colour of the stars embedded in the nebulas. However, the field also contains a lot of emission nebulosity, hydrogen gas glowing red and magenta. Plus there are fingers of brown dark dusty nebulosity. It is one of the most colourful regions of the sky.

13899016 - The colourful region around yellow Antares (bottom) in Scorpius and blue Rho Ophiuchi (top) in Ophiuchus. The nebulas are largely reflection nebulas, taking on the colour of the stars embedded in the nebulas. However, the field also contains a lot of emission nebulosity, hydrogen gas glowing red and magenta. Plus there are fingers of brown dark dusty nebulosity. It is one of the most colourful regions of the sky.

A portrait of Orion and the northern winter Milky Way, on a February night, 2020. The Orion Nebula is the bright, overexposed pink glow below the Belt of Orion, while the curving arc of red is Barnard’s Loop, now thought to be a supernova remnant. The bright red glow at upper left is the Rosette Nebula. Red Betelgeuse was at its minimum then, at about the same brightness as Bellatrix to the right — Betelgeuse is usually about as bright as blue-white Rigel at lower right. However, Betelguese began to re-brighten in the nights after this.

13897663 - A portrait of Orion and the northern winter Milky Way, on a February night, 2020. The Orion Nebula is the bright, overexposed pink glow below the Belt of Orion, while the curving arc of red is Barnard’s Loop, now thought to be a supernova remnant. The bright red glow at upper left is the Rosette Nebula. Red Betelgeuse was at its minimum then, at about the same brightness as Bellatrix to the right — Betelgeuse is usually about as bright as blue-white Rigel at lower right. However, Betelguese began to re-brighten in the nights after this.

Rock formation in Monument Valley,Arizona,with the moon in a clear blue sky. The red rock glows at sunset as the light hits them,Arizona,United States of America

13986963 - Rock formation in Monument Valley,Arizona,with the moon in a clear blue sky. The red rock glows at sunset as the light hits them,Arizona,United States of America

13882374 - A red sandstone canyon in New Mexico is surrounded by a blue sky.

13972635 - France,Paris,Sentier metro station,97 rue Reaumur,blue and red sign,unique model

71359679 - Detail of a blue house and red flowers in Viñales, Cuba

13706803 - An empty red and blue boat moored in Rio della Misericordia, Venice, UNESCO World Heritage Site, Veneto, Italy, Europe

$Beautiful autumn landscape of fire red leaves and soft blue volcanic lake, Lake Usori at Osorezan Bodaiji Temple, Mutsu, Aomori prefecture, Honshu, Japan, Asia\n$

13928317 - Beautiful autumn landscape of fire red leaves and soft blue volcanic lake, Lake Usori at Osorezan Bodaiji Temple, Mutsu, Aomori prefecture, Honshu, Japan, Asia\n

13997590 - Close up of Sapporo Tower with red maple autumn leaves against blue sky,Sapporo,Hokkaido,Japan,Asia

13816234 - Red sand and mountains under a blue sky in the Wadi Rum desert, Jordan, Middle East

70248274 - Red blooming bush under blue sky, view at Manarola, Cinque Terre, Liguria, Italian Riviera, Italy, Europe

71385660 - Neon blue with red legs - Red-legged honeycreepers

71385661 - Neon blue with red legs - Red-legged honeycreepers

70012639 - The legislative building The Red House under blue sky, Port of Spain, Trinidad, Trinidad and Tobago, Caribbean, America

70028772 - The Spasskaya Tower under a blue sky, Red Square, Moscow, Russia

70048926 - Dive Boat, Blue Water Diving School, Hurghada, Red Sea, Egypt

10274490 - Blue and red traditional wooden house in ski resort in Trysil, Norway

70248302 - Black and red flag at the harbour under blue sky, Camogli, Liguria, Italian Riviera, Italy, Europe

70128254 - Scuba diver and Truck wreck in Blue Belt shipwreck, Sudan, Africa, Red Sea