Time Lapse of the Solar Chromosphere in Motion Catured on 15th March 2026
Captured on the 15th March, 2025, from Dark Sky® Alqueva region, Portugal, a high-resolution image and time lapse sequence features the chromosphere activity on that day, revealing interesting motion on two nice prominences while they interacting with the strong magnetic fields that leads them to feature their changing shapes. We can also notice a lot of fine spicules surrounding the solar disc and dancing like hair in the wind, while the chromosphere itself is showing a slower motion. The final result is a 4K high resolution solar time lapse footage comprising 385 image captured over the course of 1h50 min.
PT: Captada a 15 de Março de 2025, na região do Dark Sky® Alqueva, Portugal, uma imagem de alta resolução e uma sequência de timelapse mostram a actividade da cromosfera nesse dia, revelando movimentos interessantes em duas proeminências enquanto interagem com os fortes campos magnéticos que as sustentam, conferindo formas tão disitintas e variáveis. Podemos também observar diversas espículas finas a rodear o disco solar, ondulando como fios de cabelo ao sabor do vento, enquanto a própria cromosfera exibe um movimento mais lento. O resultado final é um timelapse solar em alta resolução 4K, composta por 385 imagens captadas ao longo de 1 hora e 50 minutos.
Below is possible to watch the video time lapse sequence compiling 385 shots processed, each one as result of a stack of the best 200 frames from each raw video. The final result is a 4K high resolution time lapse movie comprising around 1h50 of images.
PT: Em baixo é possível ver o vídeo time lapse compilando 385 captações processadas, cada uma como resultado de um stack dos melhores 200 frames de cada vídeo raw. O resultado final é um filme time lapse de alta resolução de 4K que condensa cerca de 1h50 de imagens.
Technical details | Detalhes Técnicos
Omegon Pro APO 76 AP | SW Wave150i mount | Daystar Quark Prominence filter| Player One Apollo 428M Max Pro |Focuser EAF | Zwo CAA rotator | Stack of 200 frames for each single image, captured in average seeing conditions from Dark Sky® Alqueva territory, Portugal.
Important Note | Nota Importante: Never look and point a telescope or any other optical equipment directly to the sun without a proper and specialized safty filters! It can blind you forever. PT: Nota Importante – Nunca aponte um telescópio ou qualquer equipamento óptico directamente para o sol e observe através dele sem filtros especializados e seguros. Causará cegueira irreversível!
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How to Order – Simple and easy, just “copy and paste” the link of this page or the image you choosed and fill it in the form below, with the size you want and any detail you wish to include on the message, like your country, name and postal address. Free Shipping included to all prints (except frames). For US and Europe the delivery is 4-8 working days, while to Portugal and Spain is normally 2-6 working days. After submitting the order through the form, I will contact you for the payment method (Paypal available or bank transfer) and with other questions related to your print(s) or requests. Once payment is confirmed, your order is shipped within 24h. In case you wish, I can send you separtely with no additional cost, a postcard autographed and numbered of the same image you have just bought, as a seal and proof of art work authenticity from the author. Let me know what is your wish.
Spaghetti Nebula – Echoes of a Stellar Death in a Beautiful Web of Intricate Filaments of H-alpha and OIII emission Revealed in Simeis 147
This deep-sky wide-field mosaic of two panels, captured through a dua-band H-alpha-OIII filter, and RGB light, unveils the hauntingly beautiful structure of Simeis 147 (Sharpless 2-240). Popularly known as the Spaghetti Nebula, this massive supernova remnant straddles the boundary between the constellations Taurus and Auriga, approximately 3,000 light-years from Earth. Spanning over 3 degrees—roughly six times the width of the full moon—the nebula reveals a violent history through its delicate morphology. While the dominant reddish hues trace the glow of ionized hydrogen (Ha), the image highlights a significant presence of doubly ionized oxygen (OIII). These teal-colored emissions often trace the strongest shock fronts where the expanding blast wave slams into the interstellar medium, creating a complex, multi-dimensional web of gas. From edge to edge, this debris cloud stretches across 150 light-years of space. The cataclysmic stellar explosion that birthed this structure is estimated to have occurred 40,000 years ago. It left behind not only these ethereal filaments but also a high-velocity pulsar (PSR J0538+2817)—a rapidly spinning neutron star kicked away from the explosion’s center, serving as a silent, dense heart to this expansive graveyard of gas. The image was captured from Dark Sky® Alqueva Observatory, Cumeada, in Portugal.
PT: Este mosaico de céu profundo wide-field composto por dois painéis, captado através de uma combinação de filtros dual-band H-alpha-OIII e luz RGB, revela a estrutura assustadoramente bela de Simeis 147 (Sharpless 2-240). Popularmente conhecida como Spaghetti Nebula, este massivo remanescente de supernova estende-se pela fronteira entre as constelações de Touro e Cocheiro, a aproximadamente 3.000 anos-luz da Terra. Abrangendo mais de 3 graus — cerca de seis vezes a largura da Lua cheia — a nebulosa revela uma história violenta através da sua morfologia delicada. Enquanto os tons avermelhados predominantes traçam o brilho do hidrogénio ionizado (Ha), esta composição específica destaca uma presença significativa de oxigénio duplamente ionizado (OIII). Estas emissões de cor turquesa/cian geralmente delineiam as frentes de choque mais fortes, onde a onda de impacto da explosão colide com o meio interestelar, criando uma rede complexa e multidimensional de gás. De uma extremidade à outra, esta nuvem de detritos estende-se por 150 anos-luz de distância. A explosão estelar cataclísmica que deu origem a esta estrutura terá ocorrido há 40.000 anos, deixando para trás não apenas estes filamentos etéreos, mas também um pulsar de alta velocidade (PSR J0538+2817) — uma estrela de neutrões em rotação rápida que foi “projetada” para fora do centro da explosão, servindo como o coração denso e silencioso deste vasto cemitério de gás. A imagem foi captada a partir do Observatório Oficial do Dark Sky® Alqueva, na Cumeada, Portugal.
Technical details | Detalhes Técnicos
Omegon 76ED Apo triplet on a EQ6-Pro auto-guided in N.I.N.A | Poseidon-C Pro Camera from Player One Astronomy | Sub Exp. 5 min with Anit-Halo PRO Dual-Band Filter 2″ (Ha+OIII) 3nm from Player One Astronomy| Total integration of 56h (26h per panel (x2) in Ha 7nm + 2h per panel (x2) in RGB). Processing on PixInsight 1.8.9-3, photoshop CC 2026. Cumeada Observatory from Dark Sky® Alqueva Reserve, Reguengos de Monsaraz.
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How to Order – Simple and easy, just “copy and paste” the link of this page or the image you choosed and fill it in the form below, with the size you want and any detail you wish to include on the message, like your country, name and postal address. Free Shipping included to all prints (except frames). For US and Europe the delivery is 4-8 working days, while to Portugal and Spain is normally 2-6 working days. After submitting the order through the form, I will contact you for the payment method (Paypal available or bank transfer) and with other questions related to your print(s) or requests. Once payment is confirmed, your order is shipped within 24h. In case you wish, I can send you separtely with no additional cost, a postcard autographed and numbered of the same image you have just bought, as a seal and proof of art work authenticity from the author. Let me know what is your wish.
A Nightscape Reveals the Ha emission along the path of Winter Milky Way Shining above Alqueva Lake
Always dreamed of capturing vast areas of the sky in Ha and to be able to reveal them on my nightscape scenes as a “bigger picture” of what is standing there unnoticed to our naked -Ha blind- eyes. Specially on the winter sky, for being so rich in Ha emission. This vast landscape captured from Campinho, at Dark Sky® Alqueva, Portugal, reveals all the Ha emission spread across the winter Milky Way faint path. Some of this includes the Orion complex (M42, Barnard’s Loop, and Lambda Orionis. At the lower center Rosette, Cone, Christmas Tree and Seagull nebulae. While at the center’s top, California and the Flaming Star nebula are shining bright, I was impressed with the detailed view of supernova remnants Simeis 147 made of reddish spaghetti filaments. Top left edge, reaveal the Heart and Soul bright nebulea. Between the Hyades and the Pleiades stars – top right corner – are visible dark shapes of interstellar dust. All of this forms a continuous network of ionized hydrogen that links the winter constellations in a unique cosmic tapestry. Above Alqueva lake and close to the horizon, bright stars like Sirius, Betelgeuse and Procyon are forming the asterism known as the Winter Triangle. On the left edge, Castor and Pollux from Gemini constellation, are colorful shining near the apparently brightest star visible on the image, which belong indeed, to the king of the Solar System, planet Jupiter. The image is a vertical mosaic of 8 single tracked images on a Polarie U, each one of 30 second exposure, captued with a Sigma 28mm f1.4 lens set to f2 on a Nikon Z8 astromodified camera. Later combined and registered with a much larger and wider Ha complex panorama captured from the same place, with a 50mm f1.2 and 7nm Baader Ha filter.
PT: Sempre sonhei captar vastas áreas do céu em Ha (hidrogénio-alfa) e poder revelá-las nas minhas imagens nightscape como um “panorama maior” do que existe no céu mais profundo, mas passa despercebido à nossa visão a olho nu, pois somos quase cegos em certo compimentos de onda como o Ha. Sobretudo no céu de inverno, por ser tão rico nesta emissão. A vasta paisagem captada a partir de Campinho, no Dark Sky® Alqueva, Portugal, revela toda a emissão de Ha espalhada pela ténue faixa da Via Láctea de Inverno. Parte deste inclui o complexo de Orionte (M42, Laço de Barnard e Lambda Orionis). Na parte inferior central, encontram-se as nebulosas da Roseta, do Cone, da Árvore de Natal e da Gaivota. Enquanto no topo central, a Califórnia e a Nebulosa da Estrela Flamejante brilham intensamente, fiquei impressionado com a visão detalhada da supernova remanescente Simeis 147, composta por filamentos avermelhados semelhantes a esparguete. No topo esquerdo, brilham fortemente as inseparáveis nebulosas do Coração e da Alma. Entre as estrelas dos aglomerados Híades e Pleiades – no canto superior direito – são visíveis formas escuras de poeira interestelar. Tudo isto forma uma rede contínua de hidrogénio ionizado que liga as constelações de inverno numa tapeçaria cósmica única. Acima do lago Alqueva e perto do horizonte, estrelas brilhantes como Sirius, Betelgeuse e Procyon formam o asterismo conhecido como Triângulo de Inverno. Na região esquerda desta fotografia, Castor e Polux, pertencentes à constelação de Gémeos, brilham perto da estrela aparentemente mais brilhante visível na imagem, que pertence, de facto, ao rei do Sistema Solar, o planeta Júpiter.
A imagem é um mosaico vertical de 8 imagens individuais de 30 segundos cada, com acompanhamento do movimento sideral numa Polarie U. Cada exposição foi captada com uma objetiva Sigma 28mm f1.4 definida para f2, numa câmara Nikon Z8 astromodificada. Posteriormente, as imagens foram combinadas e registadas com um amplo e complexo panorama de Ha, captado a partir do mesmo local com uma lente 50mm f1.2 e um filtro Baader Ha de 7nm.
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How to Order – Simple and easy, just “copy and paste” the link of this page or the image you choosed and fill it in the form below, with the size you want and any detail you wish to include on the message, like your country, name and postal address. Free Shipping included to all prints (except frames). For US and Europe the delivery is 4-8 working days, while to Portugal and Spain is normally 2-6 working days. After submitting the order through the form, I will contact you for the payment method (Paypal available or bank transfer) and with other questions related to your print(s) or requests. Once payment is confirmed, your order is shipped within 24h. In case you wish, I can send you separtely with no additional cost, a postcard autographed and numbered of the same image you have just bought, as a seal and proof of art work authenticity from the author. Let me know what is your wish.
Wide Field of Ced 51 Surrounded by Dark Nebulae Immersed in Reddish Ionized Hydrogen
Located within the Lambda Orionis Ring in Orion constellation, the image features a deep wide field view captured in HaOIII and RGB light, of a dark complex nebulosity covering several LDN objects, from LDN1580 up to LDN1584. While the large complex seems to be immersed by reddish ionized hydrogen emission, at the center and close to LDN1584, glows a beautiful and small blueish reflection nebula, called Cederblad 51 or Ced 51, illuminated by the bright starlight of HD35956. All the field is surrounded by dark structures and intricate brown reddish dust shapes. The final image has a huge resolution of 235 Million MP, which can provide an incredible detailed view if zoomed in up to 100%. The image was captured from Dark Sky® Alqueva Observatory, Cumeada, in Portugal, with a ZEUS 455C Pro camera from Player One Astronomy, and comprises a total integration time of 25h. 19h of HaOIII emission and 6h of RGB light.
PT: Localizada no Anel Lambda Orionis, na constelação de Orionte, a imagem apresenta uma visão ampla e profunda captada na emissião de HaOIII e luz RGB, de uma nebulosidade escura e complexa que abrange vários objetos LDN, desde LDN1580 a LDN1584. Enquanto o grande complexo parece estar imerso em emissão avermelhada de hidrogénio ionizado, no centro e próximo de LDN1584, brilha uma bela e pequena nebulosa de reflexão azulada, chamada Cederblad 51 ou Ced 51, iluminada pela luz intensa da estrela HD35956. Todo o campo é rodeado por estruturas escuras e intrincadas formas de poeira castanha-avermelhada. A imagem final tem uma enorme resolução de 235 milhões de pixeis, que proporciona uma visão incrivelmente detalhada ao ser ampliada a 100%. Captada a partir do Observatório Oficial do Dark Sky® Alqueva, na Cumeada, Portugal, com uma câmara Player One Astronomy, ZEUS 455C Pro.
Below: The annotated version produced with PixInsight script, based in several known catalogues to identify the main objects in the image, as well as a close-up of Ced 51 reflection nebulae, as seen at 100% of the original.
PT: Em baixo: A versão legendada com anotação produzida pelo script do PixInsight baseado em vários catálogos reconhecidos, identificando assim os principais objectos visíveis na imagem, assim como um close-up a 100% do original revelando a nebulosa Ced 51.
Technical details | Detalhes Técnicos
Taka FSQ-106ED at F5 – EM200 auto-guided in N.I.N.A| Camera ZEUS 455C Pro from Player One Astronomy | Sub Exp. 5 min with Anit-Halo PRO Dual-Band Filter 2″ (Ha+OIII) 3nm from Player One Astronomy | Total integration of 25h (19 in HaOIII + 6h in RGB). Processing on PixInsight 1.8.9-3 and Photoshop CC 2026. Cumeada Observatory from Dark Sky® Alqueva Reserve, Reguengos de Monsaraz, Portugal.
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You can choose the best style of print do you preffer to decorate in a fashion way your walls. Metal Prints with durable and vivid colors, Acrylic, Canvas or the highest quality Gallery Print – a 6 colour UV direct printing on acrylic glass (2mm) including light colours and reinforced by an aluminium dibond plate (3mm). Those type of Prints can highlight the final work in an artistic way, showing the photograph as a piece of art. I work with two high quality specialized Labs in US and in Europe, using Kodak Professional Endura Premier Metallic papers and Fujifilm Crystal Archive DP II Professional. You can select the image above or freely navigate to more than 800 photographs available in my gallery – each one with their own story and magic – and choose the photograph you would love to have in your home or office.
How to Order – Simple and easy, just “copy and paste” the link of this page or the image you choosed and fill it in the form below, with the size you want and any detail you wish to include on the message, like your country, name and postal address. Free Shipping included to all prints (except frames). For US and Europe the delivery is 4-8 working days, while to Portugal and Spain is normally 2-6 working days. After submitting the order through the form, I will contact you for the payment method (Paypal available or bank transfer) and with other questions related to your print(s) or requests. Once payment is confirmed, your order is shipped within 24h. In case you wish, I can send you separtely with no additional cost, a postcard autographed and numbered of the same image you have just bought, as a seal and proof of art work authenticity from the author. Let me know what is your wish.
Solar Time lapse Reveals the Moment When Fast Hot Plasma Was Released into Space
Captured on the 5th July, 2025, from Dark Sky® Alqueva region, Portugal, a high-resolution image and time lapse sequence features the chromosphere activity on that day, revealing the exact moment when the hot plasma of an active prominence was released into space. Normally stuck by strong magnetic lines, when they broke, they can suddenly release in a fast way, huge amounts of plasma. During the time lapse, it’s possible to see interesting changes on its intricate shape. We can also notice a lot of fine spicules surrounding the solar disc and dancing like hair in the wind, while the chromosphere itself is showing a slower motion. The final result is a 4K high resolution solar time lapse footage comprising 353 image captured over the course of 1h50 min.
PT: Captada a 5 de julho de 2025, na região do Dark Sky® Alqueva, Portugal, a imagem de alta resolução e sequência timelapse mostram a atividade da cromosfera nesse dia, revelando o momento exacto em que o plasma quente de uma proeminência activa foi libertado para o espaço. Normalmente presas por fortes linhas magnéticas, quando estas se rompem, podem libertar de forma súbita e rápida, enormes quantidades de plasma. Durante o timelapse, é possível observar mudanças interessantes na sua forma complexa. Podemos também notar muitas espículas finas em redor do disco solar, que se movem como fios de cabelo ao vento, enquanto a própria cromosfera apresenta um movimento mais lento. O resultado final é um timelapse solar em alta resolução 4K, composta por 353 imagens captadas ao longo de 1 hora e 50 minutos.
Above are a still shot presented in color and BW version, intended to help conduct the reader attention to the most interesting parts of the image. Below is possible to watch the video time lapse sequence compiling 353 shots processed, each one as result of a stack of the best 200 frames from each raw video. The final result is a 4K high resolution time lapse movie comprising around 1h50 of images.
PT: Acima está uma foto apresentada em uma versão a cores e monocromática, com o objetivo intencional de ajudar a conduzir a atenção do leitor para as partes mais interessantes da imagem. Em baixo é possível ver o vídeo time lapse compilando 353 captações processadas, cada uma como resultado de um stack dos melhores 200 frames de cada vídeo raw. O resultado final é um filme time lapse de alta resolução de 4K que condensa cerca de 1h50 de imagens.
Technical details | Detalhes Técnicos
SW Esprit 120ED Professional | EQ-6 Pro mount | Daystar Quark Prominence filter| Player One Apollo-M Max |Focuser Sesto Senso 2 | Stack of 200 frames for each single image, captured in average seeing conditions from Dark Sky® Alqueva territory, Portugal.
Important Note | Nota Importante: Never look and point a telescope or any other optical equipment directly to the sun without a proper and specialized safty filters! It can blind you forever. PT: Nota Importante – Nunca aponte um telescópio ou qualquer equipamento óptico directamente para o sol e observe através dele sem filtros especializados e seguros. Causará cegueira irreversível!
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Buy a Fine Art Print or Wall Decor of this Image – Make your order Now!
You can choose the best style of print do you preffer to decorate in a fashion way your walls. Metal Prints with durable and vivid colors, Acrylic, Canvas or the highest quality Gallery Print – a 6 colour UV direct printing on acrylic glass (2mm) including light colours and reinforced by an aluminium dibond plate (3mm). Those type of Prints can highlight the final work in an artistic way, showing the photograph as a piece of art. I work with two high quality specialized Labs in US and in Europe, using Kodak Professional Endura Premier Metallic papers and Fujifilm Crystal Archive DP II Professional. You can select the image above or freely navigate to more than 800 photographs available in my gallery – each one with their own story and magic – and choose the photograph you would love to have in your home or office.
How to Order – Simple and easy, just “copy and paste” the link of this page or the image you choosed and fill it in the form below, with the size you want and any detail you wish to include on the message, like your country, name and postal address. Free Shipping included to all prints (except frames). For US and Europe the delivery is 4-8 working days, while to Portugal and Spain is normally 2-6 working days. After submitting the order through the form, I will contact you for the payment method (Paypal available or bank transfer) and with other questions related to your print(s) or requests. Once payment is confirmed, your order is shipped within 24h. In case you wish, I can send you separtely with no additional cost, a postcard autographed and numbered of the same image you have just bought, as a seal and proof of art work authenticity from the author. Let me know what is your wish.
Traces of Light from Time and Space
Over the course of 6h I caught the full moon motion against the background starry sky above our Dark Sky® Alqueva Observatory. Traces of light that shows how time and space are deeply connected.
PT: Ao longo de 6 horas, fotografei o movimento da lua cheia contra o céu estrelado acima do nosso Observatório Oficial no Dark Sky® Alqueva, em Portugal. Traços de luz que mostram como o tempo e o espaço estão profundamente ligados.
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You can choose the best style of print do you preffer to decorate in a fashion way your walls. Metal Prints with durable and vivid colors, Acrylic, Canvas or the highest quality Gallery Print – a 6 colour UV direct printing on acrylic glass (2mm) including light colours and reinforced by an aluminium dibond plate (3mm). Those type of Prints can highlight the final work in an artistic way, showing the photograph as a piece of art. I work with two high quality specialized Labs in US and in Europe, using Kodak Professional Endura Premier Metallic papers and Fujifilm Crystal Archive DP II Professional. You can select the image above or freely navigate to more than 800 photographs available in my gallery – each one with their own story and magic – and choose the photograph you would love to have in your home or office.
How to Order – Simple and easy, just “copy and paste” the link of this page or the image you choosed and fill it in the form below, with the size you want and any detail you wish to include on the message, like your country, name and postal address. Free Shipping included to all prints (except frames). For US and Europe the delivery is 4-8 working days, while to Portugal and Spain is normally 2-6 working days. After submitting the order through the form, I will contact you for the payment method (Paypal available or bank transfer) and with other questions related to your print(s) or requests. Once payment is confirmed, your order is shipped within 24h. In case you wish, I can send you separtely with no additional cost, a postcard autographed and numbered of the same image you have just bought, as a seal and proof of art work authenticity from the author. Let me know what is your wish.
Massive Prominence in Motion Captured with the Soleye 300 Dual-band
I’m gradually starting to process many of the times lapses I’ve captured in 2025. This one features a gigantic prominence in motion captured on July 2nd, 2025, from Dark Sky® Alqueva region in Portugal, with the biggest setup, the Soleye 300 dual-band. This prominence was so impressive and massive that totally flooded the entire field of view of my Player One Camera. Conditions were not perfect due to unstable seeing and high thin passing clouds.
PT: Começando gradualmente a processar muitos dos timelapses que captei em 2025, aqui fica o primeiro desta série. A imagem revela uma proeminência gigantesca em movimento captada a 2 de julho de 2025, na região de Dark Sky® Alqueva, em Portugal, com o equipamento mais potente que tenho disponível, o Soleye 300 dual-band. Esta proeminência era tão impressionante e enorme que preencheu completamente o campo de visão da minha câmara Player One. As condições não eram as ideias, com alguma instabilidade do seeing e nuvens altas finas e passageiras.
Technical details | Detalhes Técnicos
Soleye 300 Dual-band | EQ-6 Pro mount | Daystar Quark Prominence filter + APM | Player One Apollo 428M Max Pro | Stack of 200 frames for each single image, captured in average seeing conditions from Dark Sky® Alqueva territory, Portugal.
Important Note | Nota Importante: Never look and point a telescope or any other optical equipment directly to the sun without a proper and specialized safty filters! It can blind you forever. PT: Nota Importante – Nunca aponte um telescópio ou qualquer equipamento óptico directamente para o sol e observe através dele sem filtros especializados e seguros. Causará cegueira irreversível!
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Buy a Fine Art Print or Wall Decor of this Image – Make your order Now!
You can choose the best style of print do you preffer to decorate in a fashion way your walls. Metal Prints with durable and vivid colors, Acrylic, Canvas or the highest quality Gallery Print – a 6 colour UV direct printing on acrylic glass (2mm) including light colours and reinforced by an aluminium dibond plate (3mm). Those type of Prints can highlight the final work in an artistic way, showing the photograph as a piece of art. I work with two high quality specialized Labs in US and in Europe, using Kodak Professional Endura Premier Metallic papers and Fujifilm Crystal Archive DP II Professional. You can select the image above or freely navigate to more than 800 photographs available in my gallery – each one with their own story and magic – and choose the photograph you would love to have in your home or office.
How to Order – Simple and easy, just “copy and paste” the link of this page or the image you choosed and fill it in the form below, with the size you want and any detail you wish to include on the message, like your country, name and postal address. Free Shipping included to all prints (except frames). For US and Europe the delivery is 4-8 working days, while to Portugal and Spain is normally 2-6 working days. After submitting the order through the form, I will contact you for the payment method (Paypal available or bank transfer) and with other questions related to your print(s) or requests. Once payment is confirmed, your order is shipped within 24h. In case you wish, I can send you separtely with no additional cost, a postcard autographed and numbered of the same image you have just bought, as a seal and proof of art work authenticity from the author. Let me know what is your wish.
Extreme Wide Panorama of Winter Milky Way in Hydrogen-alpha Emission Reveals Deep Sky Wonders from Cygnus to Gum Nebula
I always dreamed about being able to capture an extreme large panorama in H-alpha to reveal all the nebulae visible in hydrogen emission along the path of Winter Milky Way, which is incredible rich. Finally last 20th November 2025 the opportunity arrived and I was able to achieve the goal on a winter clear night at Dark Sky® Alqueva region. I had a lot of challenges in the way to process this gigantic panorama. APP program totally fail for all my attempts due to the extreme size which overload its capacity, so I only calibrated the images there. And develop a different method using PT GUI Pro with as my favourite program for panoramas which worked pretty well and fast. As the original file resolution was more than 1 Billion pixels I had to resize it to be able to export as TIF as well as using camera raw. The final resolution is about 32000×16000. I also wanted to create a VR360 experience so the final panorama is an equirectangular image covering around 210º of the sky from edge to edge, beyond the Milky Way and Ha emission around like Eridanus Loop, there is a gradual fade to dark empty space. The final image is quiet big with more than half a billion Megapixels, from 46 single images of 3 minutes exposure each, using an adaptation I did for a Baader 7nm Ha filter screwed in front of my Sony 50mm GMaster f1.2 running on a Vixen Polarie U star tracker portable mount. I captured everything in one single night over the course of a few hours starting while Cygnus was setting and finished after Canis Major was very high, so I was able to capture the Ha emission from Cygnus region up to the beginning of Gum nebula, and I was so surprise for being able to capture it from our latitude of 38º at Dark Sky® Alqueva in Portugal. Below, is the monochromatic image of the red channel separately, as well as some close-ups at 75% of the real size and the VR360 image. I hope you enjoy it.
PT: Sempre sonhei em captar um panorama extremamente grande em H-alfa que pudesse revelar todas as nebulosas visíveis na emissão de hidrogénio ao longo da Via Láctea de inverno, que é incrivelmente rica. Finalmente, em novembro passado, surgiu a oportunidade e consegui alcançar o meu objetivo. Enfrentei muitos desafios no processamento deste gigantesco panorama. O programa APP falhou redondamente em todas as minhas tentativas devido ao tamanho extremo, que sobrecarregou a sua capacidade, pelo que acabei por apenas calibrar as imagens lá. Desenvolvi um método diferente utilizando o PT GUI Pro, o meu programa favorito para panoramas, que funcionou muito bem e rapidamente. Como a resolução original do ficheiro era superior a 1 bilião de pixeis, precisei de o redimensionar para poder exportá-lo em TIF sem exceder of 4GB e para poder utilizar a Camera Raw. A resolução final é de aproximadamente 32000 x 16000. Também tinha no plano inicial criar uma experiência VR360, pelo que o panorama final é uma imagem equirretangular cobrindo cerca de 210º do céu de um extremo ao outro. Assim, para além da Via Láctea e da emissão de H-alfa circundante como o Eridanus Loop, há um desvanecimento gradual para o espaço vazio e escuro. A imagem final é bastante grande, com mais de meio bilião de megapixeis, resultante de 46 imagens individuais com 3 minutos de exposição cada, utilizando uma adaptação que fiz para um filtro Baader Ha de 7nm acoplado à minha lente Sony 50mm GMaster f1.2, montada numa montagem portátil Vixen Polarie U para fazer o acompanhamento sideral. Captei tudo numa única noite, ao longo de muitas horas, começando enquanto a região do Cisne se punha e terminando quando o Cão Maior já estava bem alto no céu. Assim, consegui captar a emissão Ha desde a região do Cisne até ao início da Nebulosa da Goma, e fiquei muito surpreendido por o conseguir fazer a partir da nossa latitude de 38º no Dark Sky® Alqueva, em Portugal. Embaixo, é possível apreciar a imagem monocromática resultante do canal vermelho em separado assim como alguns close-ups a 75% do tamanho real e a imagem VR360 a 16K. Espero que gostem do resultado.
Below: Below you can experience a Virtual Reality 360º in 16K resolution using your desktop. If you use your smartphone with gyroscope on, you can explore up to the zenith where is visible the entire Eridanus Loop. A great “in loco” experience can be achieved if you wear a VR glasses.
PT: Em baixo: O leitor pode assim experienciar esta Realidade Virtual de alta-resolução 16K, usando o seu desktop. Se usar o seu smartphone com o giroscópio ligado, poderá explorar até ao zénite onde é visível na integra a região do Eridanus Loop. Uma ótima experiência “in loco” pode ser alcançada se usar óculos de realidade virtual.
Technical details | Detalhes Técnicos
Nikon Z8 + Sony GMaster 50mm f1.2 lens + Vixen Polarie U portable mount| Single Exp. 3 min at ISO 3200 with Baader 7nm Ha filter | Mosaic of 46 panels. Processing in APP, PT Gui Pro, PixInsight 1.8.9-2 and Photoshop CC 2026. Cpatured in Campinho near the lake, close to Cumeada Observatory from Dark Sky® Alqueva Reserve, Reguengos de Monsaraz, Portugal.
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How to Order – Simple and easy, just “copy and paste” the link of this page or the image you choosed and fill it in the form below, with the size you want and any detail you wish to include on the message, like your country, name and postal address. Free Shipping included to all prints (except frames). For US and Europe the delivery is 4-8 working days, while to Portugal and Spain is normally 2-6 working days. After submitting the order through the form, I will contact you for the payment method (Paypal available or bank transfer) and with other questions related to your print(s) or requests. Once payment is confirmed, your order is shipped within 24h. In case you wish, I can send you separtely with no additional cost, a postcard autographed and numbered of the same image you have just bought, as a seal and proof of art work authenticity from the author. Let me know what is your wish.
