Solar Time Lapse of an Entire Full Disc Shows Erupitve Prominences and Minor Flares in Motion

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On 9th of July 2023, I took my first solar time lapse of an entire full disc of the sun, showing a lot of interesting features in motion, such as eruptive prominences and minor flares visible in the solar chromosphere while the sun is rotating over the course of 3 hours. The time lapse sequence was captured from Dark Sky® Alqueva territory with a Player One Saturn-M SQR camera and a Lunt telescope LS100, generating 3TB of data. The final result is a 5K high resolution solar movie comprising 213 images over the course of about 3h20m, between UT11h40 and UT15h08.

PT: Em 9 de Julho de 2023, fiz o meu primeiro time lapse de um disco solar completo, mostrando muitos pormenores interessantes em movimento, como proeminências eruptivas e pequenas flares visíveis na cromosfera solar enquanto o sol no seu movimento de rotação girou ao longo de 3 horas. A sequência de lapso de tempo foi captada a partir do território do Dark Sky® Alqueva, com uma câmara Player One Saturn-M SQR e um telescópio Lunt LS100, gerando 3 TB de dados. O resultado final é um filme solar de alta resolução 5K composto por 213 imagens ao longo de cerca de 3h20m, entre UT11h40 e UT15h08.

Above are a still shot presented in monocrhome 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 213 shots processed, each one as result of a stack of the best 200 frames from each raw video. The final result is a 5K high resolution time lapse movie comprising around 3h20 of images.

PT: Acima está uma foto apresentada em uma versão 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 213 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 5K que condensa cerca de 3h20 de imagens.

Technical details | Detalhes Técnicos

Lunt Solar System LS100| EQ-6 Pro mount | Player One Saturn-M SQR | 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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