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71446597 - water curtain; Switzerland, Canton Glarus; Diesbach Falls

An example of brightening auroral curtain to the northeast,on a night with activity increasing at this time,in Churchill,Manitoba from the Northern Studies Centre. This is looking northeast on February 19,2023.

13999004 - An example of brightening auroral curtain to the northeast,on a night with activity increasing at this time,in Churchill,Manitoba from the Northern Studies Centre. This is looking northeast on February 19,2023.

The aurora of March 23,2023,caught early in the evening when there was a green arc to the south as the sky darkened that exhibited a "dunes" type of structure,with horizontal banding rather than vertical rays or curtains. Above is a purple arct that has some characteristics of a STEVE arc but is likely a standard vertical curtain. At right are Venus and the crescent Moon below,above the glow of twilight. Orion is left of centre,with Sirius embedded in the dunes arc. This is looking southwest to west. The time was about 9 pm MDT.

13998267 - The aurora of March 23,2023,caught early in the evening when there was a green arc to the south as the sky darkened that exhibited a "dunes" type of structure,with horizontal banding rather than vertical rays or curtains. Above is a purple arct that has some characteristics of a STEVE arc but is likely a standard vertical curtain. At right are Venus and the crescent Moon below,above the glow of twilight. Orion is left of centre,with Sirius embedded in the dunes arc. This is looking southwest to west. The time was about 9 pm MDT.

13900110 - A curtain of aurora sweeps over the houseboats moored on Yellowknife Bay in Yellowknife, NWT, on September 11, 2018.

A 360° fish-eye view of a sky-filling aurora on March 4, 2022 taken from the Churchill Northern Studies Centre, Churchill, Manitoba. This is looking north but with the lens taking in most of the sky including the zenith at top where the curtains are converging and swirling, and near the Big Dipper. Note the subtle nitrogen pink fringe along the lower curtain.

13897565 - A 360° fish-eye view of a sky-filling aurora on March 4, 2022 taken from the Churchill Northern Studies Centre, Churchill, Manitoba. This is looking north but with the lens taking in most of the sky including the zenith at top where the curtains are converging and swirling, and near the Big Dipper. Note the subtle nitrogen pink fringe along the lower curtain.

A curtain of red and green Northern Lights arcing across the north on February 21,2023. This was not a bright display yet was still colourful. It demonstrates how even dim displays (by Churchill standards) can still appear quite colourfull to the camera.

13999413 - A curtain of red and green Northern Lights arcing across the north on February 21,2023. This was not a bright display yet was still colourful. It demonstrates how even dim displays (by Churchill standards) can still appear quite colourfull to the camera.

An aurora curtain and the Big Dipper over a Blackfoot Nation tipi, taken from Elk Island National Park, Sept 2006 during the Dark Sky Preserve declaration ceremony event. A single short exposure for 25 seconds with the 16mm lens at f/3.5 and Canon 20D at ISO 400.

13899632 - An aurora curtain and the Big Dipper over a Blackfoot Nation tipi, taken from Elk Island National Park, Sept 2006 during the Dark Sky Preserve declaration ceremony event. A single short exposure for 25 seconds with the 16mm lens at f/3.5 and Canon 20D at ISO 400.

70049175 - Male ice climber ascending ice, Curtain Call, British Columbia, Canada

70049176 - Male ice climber ascending ice, Curtain Call, British Columbia, Canada

70049166 - Male ice climber ascending ice, Curtain Call, British Columbia, Canada

70376687 - Strangler Fig Tree in the rainforest, Curtain Fig Tree National Park, Atherton Tablelands, Queensland, Australia

70292198 - Iron curtain memorial in Cizov (Zaisa), Czech Republic

70049164 - Male ice climber ascending ice, Curtain Call, British Columbia, Canada

70049165 - Male ice climber ascending ice, Curtain Call, British Columbia, Canada

70432916 - RUSSIA, Moscow, curtain call after a performance at the Bolshoi Theatre.

70120203 - Rundaele, palace, shadow of window curtain

10141885 - Painted mosaic window with curtain at Dylan Hotel, New York

71108838 - The Curtain Fig Tree is one of the attractions on the tropical highland of the Atherton Tableland, Atherton Tablelands, Queensland

70292199 - Iron curtain memorial in Cizov (Zaisa), Czech Republic

70238534 - Carlisle, the Castle, curtain wall, De Irebys Tower, 12th century, Lake District, Cumbria, UK

Tennis courts and palm trees in the luxury Curtain Bluff resort viewed from above, Old Road, Antigua, Leeward Islands, West Indies, Caribbean, Central America

71349938 - Tennis courts and palm trees in the luxury Curtain Bluff resort viewed from above, Old Road, Antigua, Leeward Islands, West Indies, Caribbean, Central America

71048779 - Curtain Fig, Yungaburra, Atherton Tableland, Queensland, Australia, Pacific

70360619 - Window and Curtain by Bed

70238921 - Ballet dancer enters throgh back stage curtain

71108836 - The Curtain Fig Tree is one of the attractions on the tropical highland of the Atherton Tableland, Atherton Tablelands, Queensland

Behind the curtain the women s side. Theodoros El-Morhab coptic church and monastery on first sunday after Easter. West bank of river Nile. Luxor. Egypt

70103641 - Behind the curtain the women s side. Theodoros El-Morhab coptic church and monastery on first sunday after Easter. West bank of river Nile. Luxor. Egypt

71048778 - Curtain Fig, Yungaburra, Atherton Tableland, Queensland, Australia, Pacific

70413567 - Japan,Kyoto,Higashi-Honganji Temple,Detail of Curtain Screen

Curtain of black pearls by Olaf Nicolia, Andalusian Center of Contemporary Art in the La Cartuja monastery, Sevilla, Andalucía, Spain, Europe october-2009

70319036 - Curtain of black pearls by Olaf Nicolia, Andalusian Center of Contemporary Art in the La Cartuja monastery, Sevilla, Andalucía, Spain, Europe october-2009

A detailed view reveals the fine craftsmanship in a wooden door with decorative metalwork and noren curtain inside the Outer Shrine of Meiji-Jingu Shrine, located in the Shibuya district of Tokyo, Japan.

70390805 - A detailed view reveals the fine craftsmanship in a wooden door with decorative metalwork and noren curtain inside the Outer Shrine of Meiji-Jingu Shrine, located in the Shibuya district of Tokyo, Japan.

70468381 - Japanese woman standing by gray curtain, Seattle, Washington, USA

70507428 - Woman holding shower curtain open where friend is taking shower

A male cave explorer admires a giant curtain formation made out of crystal calcite, deep underground in Racer Cave, Gunung Mulu National Park, Sarawak, Borneo.

70500286 - A male cave explorer admires a giant curtain formation made out of crystal calcite, deep underground in Racer Cave, Gunung Mulu National Park, Sarawak, Borneo.

14129339 - Kakslauttanen Arctic Resort in Saariselka, Finland

Aerial sunset view of Morella, medieval walled town with semi circular towers and gate houses crowed by a fortress on the rock in Spain, Valencia comunity, Castellon province.

14092858 - Aerial sunset view of Morella, medieval walled town with semi circular towers and gate houses crowed by a fortress on the rock in Spain, Valencia comunity, Castellon province.

14092681 - Aerial sunset view of Morella, medieval walled town with semi circular towers and gate houses crowed by a fortress on the rock in Spain, Valencia comunity, Castellon province.

71449980 - Hôtel-Dieu, former hospital founded in 1443, Beaune, Côte-d'Or department, Bourgogne-Franche-Comté, Burgundy, France

14092758 - Aerial sunset view of Morella, medieval walled town with semi circular towers and gate houses crowed by a fortress on the rock in Spain, Valencia comunity, Castellon province.

14089852 - Aerial sunset view of Morella, medieval walled town with semi circular towers and gate houses crowed by a fortress on the rock in Spain, Valencia comunity, Castellon province.

71454857 - City views of Hofuf in eastern Saudi Arabia, Al-Hasa Governorate within Ash-Sharqiya Province. Urban center of the al-Hasa Oasis.

71451908 - Old Frisian house in Keitum, Sylt, Schleswig-Holstein, Germany

14130267 - Cafe in Ivalo, Finland

14093120 - Aerial sunset view of Morella, medieval walled town with semi circular towers and gate houses crowed by a fortress on the rock in Spain, Valencia comunity, Castellon province.

14092018 - Aerial sunset view of Morella, medieval walled town with semi circular towers and gate houses crowed by a fortress on the rock in Spain, Valencia comunity, Castellon province.

71443835 - The Oldest Cable Train in Europe in Giessbach in Brienz, Bern Canton, Switzerland.

Colourful auroral curtains exhibiting very fine vertical structures and rays,and a mix of red and magenta tones as well as the usual oxygen greens. This is looking southeast over the Churchill Rocket Range on a Kp6 night February 26,2023.

13999662 - Colourful auroral curtains exhibiting very fine vertical structures and rays,and a mix of red and magenta tones as well as the usual oxygen greens. This is looking southeast over the Churchill Rocket Range on a Kp6 night February 26,2023.

A colourful display of aurora on March 23,2023 during the great equinox show that night. This is looking northwest toward the Big Dipper and Little Dipper with Polaris,and with nice green and magenta curtains. The dark streak is an aircraft contrail seen in silhouette in front of the Lights.

13999468 - A colourful display of aurora on March 23,2023 during the great equinox show that night. This is looking northwest toward the Big Dipper and Little Dipper with Polaris,and with nice green and magenta curtains. The dark streak is an aircraft contrail seen in silhouette in front of the Lights.

A 220° panorama of a colourful aurora on a Kp6 night on February 26,2023,from the Churchill Northern Studies Centre,Churchill,Manitoba,at 58° N. This is mostly looking south over the old Rocket Range,with the waxing Moon prominent at right in Taurus near the Pleiades and above Orion. Moonlight illuminates the foreground.

13999156 - A 220° panorama of a colourful aurora on a Kp6 night on February 26,2023,from the Churchill Northern Studies Centre,Churchill,Manitoba,at 58° N. This is mostly looking south over the old Rocket Range,with the waxing Moon prominent at right in Taurus near the Pleiades and above Orion. Moonlight illuminates the foreground.

Auroral curtains converging overhead,with the Big Dipper and Ursa Major at centre. This was February 25,2023 from the observing deck at the Churchill Northern Studies Centre,Churchill,Manitoba.

13998752 - Auroral curtains converging overhead,with the Big Dipper and Ursa Major at centre. This was February 25,2023 from the observing deck at the Churchill Northern Studies Centre,Churchill,Manitoba.

A view of the great April aurora show of April 23,2023,looking to the east,with a pair of diverging curtains with magenta tops. Taken late in the display from home in southern Alberta,Canada.

13998405 - A view of the great April aurora show of April 23,2023,looking to the east,with a pair of diverging curtains with magenta tops. Taken late in the display from home in southern Alberta,Canada.

Curtains of aurora during an active storm on February 18, 2018 from the Churchill Northern Studies Centre, in the early evening in the last of the twilight. This night the aurora was brightest early in the evening. The Big Dipper is at left.

13900286 - Curtains of aurora during an active storm on February 18, 2018 from the Churchill Northern Studies Centre, in the early evening in the last of the twilight. This night the aurora was brightest early in the evening. The Big Dipper is at left.

An arc of a Kp4 level aurora on August 28, 2022, from home in southern Alberta (latitude 51° N), showing the classic oxygen greens topped by oxygen reds, but with magentas and blues at left to the northwest where sunlight might still be interacting with the auroral curtains.

13899265 - An arc of a Kp4 level aurora on August 28, 2022, from home in southern Alberta (latitude 51° N), showing the classic oxygen greens topped by oxygen reds, but with magentas and blues at left to the northwest where sunlight might still be interacting with the auroral curtains.

A fine display of aurora in curtains across the north, October 19, 2019, observed from the upper Deck 9 of the ms Trollfjord on the southbound voyage north of Tromsø along the Norwegian coast. Illumination is partly from the waning gibbous Moon.

13898875 - A fine display of aurora in curtains across the north, October 19, 2019, observed from the upper Deck 9 of the ms Trollfjord on the southbound voyage north of Tromsø along the Norwegian coast. Illumination is partly from the waning gibbous Moon.

The fine colours of the aurora in the darkening twilight over Madeline Lake, near Yellowknife, September 7, 2019, with autumn colours on the trees on the far shore. The Big Dipper is at left.

13898568 - The fine colours of the aurora in the darkening twilight over Madeline Lake, near Yellowknife, September 7, 2019, with autumn colours on the trees on the far shore. The Big Dipper is at left.

13888137 - Ornate Facade And Architectural Detail Of A White Building Against A Blue Sky; Zurich Switzerland

Dome of Noto Cathedral seen from Palazzo Nicolaci di Villadorata (Nicolaci Palace), Noto, Val di Noto, UNESCO World Heritage Site, Sicily, Italy, Europe. This is a photo of the Dome of Noto Cathedral seen from Palazzo Nicolaci di Villadorata (Nicolaci Palace), Noto, Val di Noto, UNESCO World Heritage Site, Sicily, Italy, Europe.

13846080 - Dome of Noto Cathedral seen from Palazzo Nicolaci di Villadorata (Nicolaci Palace), Noto, Val di Noto, UNESCO World Heritage Site, Sicily, Italy, Europe. This is a photo of the Dome of Noto Cathedral seen from Palazzo Nicolaci di Villadorata (Nicolaci Palace), Noto, Val di Noto, UNESCO World Heritage Site, Sicily, Italy, Europe.

13797416 - Northern Lights or aurora borealis near Hofn, over the mountains of Vatnajokull National Park during Winter. Iceland

13797415 - Northern Lights or aurora borealis near Hofn, over the mountains of Vatnajokull National Park during Winter. Iceland

71434348 - The Small Blue Room, St Michael's Mount, Marazion, Cornwall, England

A 220° panorama of a dimmer but colourful aurora on a Kp6 night on February 26,2023,from the Churchill Northern Studies Centre,Churchill,Manitoba,at 58° N. This is mostly looking south over the old Rocket Range,with the waxing Moon prominent at centre in Taurus near the Pleiades and above Orion.

13999502 - A 220° panorama of a dimmer but colourful aurora on a Kp6 night on February 26,2023,from the Churchill Northern Studies Centre,Churchill,Manitoba,at 58° N. This is mostly looking south over the old Rocket Range,with the waxing Moon prominent at centre in Taurus near the Pleiades and above Orion.

An aurora selfie under the arc of the Northern Lights on February 22,2023 on the trail outside the Churchill Northern Studies Centre in Churchill,Manitoba. This was a Kp5 display this night peaking between 8:30 and 9:30 pm.

13998750 - An aurora selfie under the arc of the Northern Lights on February 22,2023 on the trail outside the Churchill Northern Studies Centre in Churchill,Manitoba. This was a Kp5 display this night peaking between 8:30 and 9:30 pm.

A fish-eye lens image of auroral curtains and rays converging toward the zenith overhead at centre,with the camera looking straight up from the parking lot of the Churchill Northern Studies Centre. Taken February 19,2023. The Big Dipper is at centre.

13998668 - A fish-eye lens image of auroral curtains and rays converging toward the zenith overhead at centre,with the camera looking straight up from the parking lot of the Churchill Northern Studies Centre. Taken February 19,2023. The Big Dipper is at centre.

A 150° panorama of the auroral arc across the northern sky, shot from home in Alberta on April 27, 2022. The camera picked up the blue colour at the top of the curtains at left in the northwest from high-altitude sunlight illuminating the tops of the curtains. Otherwise, oxygen reds and greens dominate this fairly quiet display. Coincidentally, the arc of the aurora nicely follows the arc of the Milky Way across the north, then at its lowest for the year in the spring sky.

13900301 - A 150° panorama of the auroral arc across the northern sky, shot from home in Alberta on April 27, 2022. The camera picked up the blue colour at the top of the curtains at left in the northwest from high-altitude sunlight illuminating the tops of the curtains. Otherwise, oxygen reds and greens dominate this fairly quiet display. Coincidentally, the arc of the aurora nicely follows the arc of the Milky Way across the north, then at its lowest for the year in the spring sky.

The aurora of February 3-4, 2014 seen from Churchill, Manitoba at the Churchill Northern Studies Centre, looking west to Orion and Taurus, with tour group members taking in the sight. This is a 2-second exposure at f/2 with the 24mm lens and ISO 2000 wth the Canon 5D MkII.

13897879 - The aurora of February 3-4, 2014 seen from Churchill, Manitoba at the Churchill Northern Studies Centre, looking west to Orion and Taurus, with tour group members taking in the sight. This is a 2-second exposure at f/2 with the 24mm lens and ISO 2000 wth the Canon 5D MkII.

13797197 - Poster featuring windows shot on buildings throughout towns of Provence, France.

Balcony View from The Historical Grandhotel Giessbach with View over Mountain and Lake Brienz with Sunlight in Bern Canton, Switzerland.

71443839 - Balcony View from The Historical Grandhotel Giessbach with View over Mountain and Lake Brienz with Sunlight in Bern Canton, Switzerland.

A fine showing of auroral curtains in the northeastern sky,with the Big Dipper and Ursa Major at upper left,with the sky and ground also illumimnated by the light of the waxing crescent Moon. This was February 25,2023 from the observing deck at the Churchill Northern Studies Centre,Churchill,Manitoba.

13999481 - A fine showing of auroral curtains in the northeastern sky,with the Big Dipper and Ursa Major at upper left,with the sky and ground also illumimnated by the light of the waxing crescent Moon. This was February 25,2023 from the observing deck at the Churchill Northern Studies Centre,Churchill,Manitoba.

A 270° panorama of the Northern Lights and aurora curtains across the southern sky,on February 22,2023,from the grounds of the Churchill Northern Studies Centre,in Churchill,Manitoba. This was a Kp5 level aurora this night,active from twilight on and prominent here in the south at about 8:30 pm. Orion and the winter stars are embedded in the aurora at right of centre,above the old launch structures of the Churchill Rocket Range.

13999402 - A 270° panorama of the Northern Lights and aurora curtains across the southern sky,on February 22,2023,from the grounds of the Churchill Northern Studies Centre,in Churchill,Manitoba. This was a Kp5 level aurora this night,active from twilight on and prominent here in the south at about 8:30 pm. Orion and the winter stars are embedded in the aurora at right of centre,above the old launch structures of the Churchill Rocket Range.

Auroral curtains in the north over the Churchill Northern Studies Centre,with a lone photographer setting up. This was February 25,2023 from the parking lot.

13998747 - Auroral curtains in the north over the Churchill Northern Studies Centre,with a lone photographer setting up. This was February 25,2023 from the parking lot.

A classic complex of auroral curtains and swirls out of the northeast sky with prominent lower greens and upper reds from oxygen. Taken February 23,2023 at the Churchill Northern Studies Centre,Churchill,Manitoba.

13998291 - A classic complex of auroral curtains and swirls out of the northeast sky with prominent lower greens and upper reds from oxygen. Taken February 23,2023 at the Churchill Northern Studies Centre,Churchill,Manitoba.

An arc of modest aurora borealis (Northern Lights) across the northern horizon, above a prairie meadow in the light of a bright waxing gibbous Moon, a day before Full. This was just after midnight on July 11/12, 2022 when the sky was also still lit by summer twilight colours, and with a weak display of noctilucent clouds also visible low in the northwest at left. The auroral curtains exhibit the usual green band and rays, but also upper altitude reds and purples and a faint blue tint at the very tops where the aurora is lit by the Sun. The aurora was never bright this night (Kp Index was 3 or

13900496 - An arc of modest aurora borealis (Northern Lights) across the northern horizon, above a prairie meadow in the light of a bright waxing gibbous Moon, a day before Full. This was just after midnight on July 11/12, 2022 when the sky was also still lit by summer twilight colours, and with a weak display of noctilucent clouds also visible low in the northwest at left. The auroral curtains exhibit the usual green band and rays, but also upper altitude reds and purples and a faint blue tint at the very tops where the aurora is lit by the Sun. The aurora was never bright this night (Kp Index was 3 or

A subtle and pastel aurora borealis (Northern Lights) in the northeast, above a prairie meadow at "Lone Tree Hill". The foreground and sky are lit by a bright waxing gibbous Moon, a day before Full, shining in the south. This was just after midnight on July 11/12, 2022. The auroral curtains exhibit the usual green band and rays, though with shades of green visible, perhaps from hydrogen-beta proton emission as well as oxygen electron emission, but also upper altitude reds and purples and a faint blue tint at the very tops where the aurora is lit by the Sun. The aurora was never bright this nig

13900221 - A subtle and pastel aurora borealis (Northern Lights) in the northeast, above a prairie meadow at "Lone Tree Hill". The foreground and sky are lit by a bright waxing gibbous Moon, a day before Full, shining in the south. This was just after midnight on July 11/12, 2022. The auroral curtains exhibit the usual green band and rays, though with shades of green visible, perhaps from hydrogen-beta proton emission as well as oxygen electron emission, but also upper altitude reds and purples and a faint blue tint at the very tops where the aurora is lit by the Sun. The aurora was never bright this nig

13797968 - This poster captures interesting windows found throughout Portugal

13797419 - Northern Lights or aurora borealis over the mountains between Thingvellir and Laugarvatn during winter in Iceland.

13797417 - Northern Lights or aurora borealis near Hofn, over the mountains of Vatnajokull National Park during Winter. Iceland

13999655 - A fine showing of auroral curtains in the northeastern sky,with the Big Dipper and Ursa Major at upper left,with the sky and ground also illumimnated by the light of the waxing crescent Moon. This was February 25,2023 from the observing deck at the Churchill Northern Studies Centre,Churchill,Manitoba.

Auroral curtains in the evening twilight on March 23,2023 during the great equinox show that night. This is looking west toward the sunset glow and with the Moon and Venus above the clouds lit yellow by light pollution from Calgary to the west from my location.

13998989 - Auroral curtains in the evening twilight on March 23,2023 during the great equinox show that night. This is looking west toward the sunset glow and with the Moon and Venus above the clouds lit yellow by light pollution from Calgary to the west from my location.

A particularly colourful display of aurora on March 23,2023 during the great equinox show that night. This is looking northwest toward the Big Dipper and over my house in southern Alberta.

13998877 - A particularly colourful display of aurora on March 23,2023 during the great equinox show that night. This is looking northwest toward the Big Dipper and over my house in southern Alberta.

A 180° panorama of the aurora curtains across the northern sky,on February 22,2023,from the grounds northeast of the Churchill Northern Studies Centre,in Churchill,Manitoba. This was a Kp5 level aurora this night,active from twilight on and peaking here at about 9:30 pm. Polaris is at top just left of centre. Cassiopeia is at left,the Big Dipper at right.

13998717 - A 180° panorama of the aurora curtains across the northern sky,on February 22,2023,from the grounds northeast of the Churchill Northern Studies Centre,in Churchill,Manitoba. This was a Kp5 level aurora this night,active from twilight on and peaking here at about 9:30 pm. Polaris is at top just left of centre. Cassiopeia is at left,the Big Dipper at right.

13998522 - An aurora selfie under the arc of the Northern Lights on February 22,2023 on the trail outside the Churchill Northern Studies Centre in Churchill,Manitoba. This was a Kp5 display this night peaking between 8:30 and 9:30 pm.

Auroral curtains in the west,with the waxing crescent Moon setting at centre,plus Cassiopeia at top right. This was February 25,2023 from the parking lot at the Churchill Northern Studies Centre,Churchill,Manitoba. The old Rocket Range headquarters building is at right.

13998312 - Auroral curtains in the west,with the waxing crescent Moon setting at centre,plus Cassiopeia at top right. This was February 25,2023 from the parking lot at the Churchill Northern Studies Centre,Churchill,Manitoba. The old Rocket Range headquarters building is at right.

The Northern Lights over the village of Skjervøy on the northern coast of Norway north of Tromsø. Taken from the deck of the Hurtigruten ship the ms Trollfjord while in port, March 2, 2019. Looking west with Cassiopeia at right and the Pleiades at left.

13900436 - The Northern Lights over the village of Skjervøy on the northern coast of Norway north of Tromsø. Taken from the deck of the Hurtigruten ship the ms Trollfjord while in port, March 2, 2019. Looking west with Cassiopeia at right and the Pleiades at left.

The aurora of February 3-4, 2014 seen from Churchill, Manitoba at the Churchill Northern Studies Centre, with an observer taking in the sight of the auroral curtains twisting through Orion (at left), Taurus (at right) and Auriga (top). This is a 6-second exposure at f/1.8 with the 24mm lens and ISO 2000 wth the Canon 5D MkII.

13899592 - The aurora of February 3-4, 2014 seen from Churchill, Manitoba at the Churchill Northern Studies Centre, with an observer taking in the sight of the auroral curtains twisting through Orion (at left), Taurus (at right) and Auriga (top). This is a 6-second exposure at f/1.8 with the 24mm lens and ISO 2000 wth the Canon 5D MkII.

A group of aurora tourists take their aurora selfies at Prosperous Lake, near Yellowknife, NWT, a popular spot on the Ingraham Trail for aurora watching. This is looking west during a bright outbreak in the display this night, which previously had been just a dull wash over the sky. This was about 1:15 a.m. MDT.

13899276 - A group of aurora tourists take their aurora selfies at Prosperous Lake, near Yellowknife, NWT, a popular spot on the Ingraham Trail for aurora watching. This is looking west during a bright outbreak in the display this night, which previously had been just a dull wash over the sky. This was about 1:15 a.m. MDT.

A bright green auroral arc with prominent red curtains, to the east in front of the winter stars rising. with bright Mars below centre and the Pleiades at top right. This was from home in Alberta on September 26, 2022.

13897557 - A bright green auroral arc with prominent red curtains, to the east in front of the winter stars rising. with bright Mars below centre and the Pleiades at top right. This was from home in Alberta on September 26, 2022.

13797418 - Northern Lights or aurora borealis over the mountains between Thingvellir and Laugarvatn during winter in Iceland.

13797195 - Poster of doors shot throughout Provence, France

71431516 - Beach bar, Plage dArone, Piana, Haute-Corse Department, West Coast, Corsica, Mediterranean Sea, France

An aurora selfie under the arc of the Northern Lights on February 22,2023 on the Rocket Range Road outside the Churchill Northern Studies Centre in Churchill,Manitoba. This is looking southeast. This was a Kp5 display this night peaking between 8:30 and 9:30 pm.

13999476 - An aurora selfie under the arc of the Northern Lights on February 22,2023 on the Rocket Range Road outside the Churchill Northern Studies Centre in Churchill,Manitoba. This is looking southeast. This was a Kp5 display this night peaking between 8:30 and 9:30 pm.

13999227 - A fine showing of auroral curtains in the northeastern sky,with the Big Dipper and Ursa Major at upper left,with the sky and ground also illumimnated by the light of the waxing crescent Moon. This was February 25,2023 from the observing deck at the Churchill Northern Studies Centre,Churchill,Manitoba.

The Northern Lights dance over the sweeping Red Deer River and Badlands of southern Alberta, from Orkney Viewpoint looking north over the valley. The Bleriot Ferry crossing is in the distance at the lights. Cassiopeia is embedded in the purple curtains. The river reflects the aurora light.

13900379 - The Northern Lights dance over the sweeping Red Deer River and Badlands of southern Alberta, from Orkney Viewpoint looking north over the valley. The Bleriot Ferry crossing is in the distance at the lights. Cassiopeia is embedded in the purple curtains. The river reflects the aurora light.

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.

13897876 - A fine display of aurora in curtains across the north, October 19, 2019, observed from the upper Deck 9 of the ms Trollfjord on the southbound voyage north of Tromsø along the Norwegian coast. Illumination is partly from the waning gibbous Moon.

13999691 - A 220° panorama of a colourful aurora on a Kp6 night on February 26,2023,from the Churchill Northern Studies Centre,Churchill,Manitoba,at 58° N. This is mostly looking south over the old Rocket Range,with the waxing Moon prominent at right in Taurus near the Pleiades and above Orion. Moonlight illuminates the foreground.

13998971 - A 270° panorama of the Northern Lights and aurora curtains across the southern sky,on February 22,2023,from the grounds of the Churchill Northern Studies Centre,in Churchill,Manitoba. This was a Kp5 level aurora this night,active from twilight on and prominent here in the south at about 8:30 pm. Orion and the winter stars are embedded in the aurora at left of centre,above the old launch structures of the Churchill Rocket Range. The new Centre and the old Rocket Range headquarters building are at right.

A colourful aurora in the deep blue of twilight on Febrary 26,2023 on a Kp6 storm night. From the Churchill Northern Studies Centre. The Big Dipper and Ursa Major are at upper centre. Leo is rising at right. The landscape is lit by the waxing quarter Moon.

13998767 - A colourful aurora in the deep blue of twilight on Febrary 26,2023 on a Kp6 storm night. From the Churchill Northern Studies Centre. The Big Dipper and Ursa Major are at upper centre. Leo is rising at right. The landscape is lit by the waxing quarter Moon.

A display of aurora borealis in a curving arc of parallel curtains and swirls in the northeastern sky on a Kp5 night,February 22,2023. The curtains display a yellowing tint toward the horizon. This was from the snowmobile trail down to the frozen ponds on the north side of the Churchill Northern Studies Centre in Churchill,Manitoba.

13998697 - A display of aurora borealis in a curving arc of parallel curtains and swirls in the northeastern sky on a Kp5 night,February 22,2023. The curtains display a yellowing tint toward the horizon. This was from the snowmobile trail down to the frozen ponds on the north side of the Churchill Northern Studies Centre in Churchill,Manitoba.

The Northern Lights over the end of Prosperous Lake, on the Ingraham Trail near Yellowknife, NWT, a popular spot for aurora watching in the area. This is looking west on the night of September 5-6, 2019 during a brighter outburst this night.

13900418 - The Northern Lights over the end of Prosperous Lake, on the Ingraham Trail near Yellowknife, NWT, a popular spot for aurora watching in the area. This is looking west on the night of September 5-6, 2019 during a brighter outburst this night.

The Northern Lights, or aurora borealis, on the night of March 4/5, 2016 as seen and shot from the Churchill Northern Studies Centre near Churchill, Manitoba. This night the display got active only after 12:30, after being completely absent from the sky for the first half of the night and a Kp Index level of 0. Here, the auroral curtains appear in the west over the Churchill Northern Studies Centre.

13899934 - The Northern Lights, or aurora borealis, on the night of March 4/5, 2016 as seen and shot from the Churchill Northern Studies Centre near Churchill, Manitoba. This night the display got active only after 12:30, after being completely absent from the sky for the first half of the night and a Kp Index level of 0. Here, the auroral curtains appear in the west over the Churchill Northern Studies Centre.