Solar Chromosphere with an Eruptive Prominence and a CME in Motion

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Captured on December 26th and 27th 2022, from Dark Sky® Alqueva region, in Portugal, a high-resolution image and time lapse sequence features the chromosphere activity during two days in a row, showing the Sun throwing a fast coronal mass ejection (CME) into space. Conditions were good, so I’ve manage to make a time lapse of about 562 images for both days. The final result is a 4K high resolution solar movie comprising around 3 hours of photos. It’s possible to see a lot of interesting changes in the shape of prominence structures, as well as fine spicules surrounding the solar disc and some slower motion in the chromosphere of the sun. The images also captured a fast eruptive prominence appearing around the limb’s disc. On the first day, the solar chromosphere was also featuring a cloud of fire hovering over the sun, trapped and suspended by magnetic strong forces. Here is a LASCO-c2 (Cactus CME detection) animation from this day, showing the same CME as seen at UT12h36 from NASA probe in Space.

PT: Captada em 26 e 27 de Dezembro de 2022, na região Dark Sky® Alqueva, Portugal, uma imagem de alta resolução e sequência time lapse revelam a actividade da cromosfera durante dois dias seguidos, mostrando o Sol lançando uma rápida ejeção de massa coronal (CME) no espaço. As condições eram boas, por isso foi possível captar um time lapse de cerca de 562 imagens durante os dois dias. O resultado final é um filme solar de alta resolução 4K com cerca de 3 horas de fotos. É possível ver muitas mudanças interessantes na forma e estrutura das proeminenências, bem como finas espículas ao redor do disco solar e algum movimento mais lento na cromosfera do sol. As imagens também captaram uma proeminência eruptiva rápida aparecendo ao redor do limbo solar. No primeiro dia, a cromosfera exibia uma nuvem de fogo pairando sobre o sol, suspensa e presa pelos fortes campos magnéticas que ali actuam. Aqui poderá ver também uma animação do LASCO-c2 (Cactus CME detection) deste mesmo dia, mostrando a mesma CME captada às UT12h36 pela sonda da NASA que se encontra no espaço.


Above are two still shots presented in landscape and portrait 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 562 shots processed from both days, 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 3 hours.

PT: Acima estão duas fotos apresentadas em uma versão retrato e paisagem 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 550 captações processadas de ambos os dias, 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 3h de imagens.

Technical details | Detalhes Técnicos

SW Esprit 120ED Professional | EQ-6 Pro mount | Daystar Quark Chromosphere 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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