The Solar Chromosphere in Motion. Images and Time Lapse from 1st and 2nd December 2022
Alqueva´s Dark Sky Reserve | By Year: 2022 | Solar Ha
Captured on December 1st and 2nd, 2022, from Dark Sky® Alqueva region, Portugal, a high-resolution image and time lapse sequence features the chromosphere activity during two days in a row. Conditions were not perfect with good to average seeing, but I’ve manage to make a time lapse of about 276 images for each day. 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 minor and fast eruptive prominences appearing around the limb’s disc. On the first day, a prominence was featuring a cloud of fire hovering over the sun, trapped and suspended by magnetic strong forces.
PT: Captada nos dias 1 e 2 de Dezembro de 2022, na região do Dark Sky® Alqueva, Portugal, a imagem de alta resolução e sequência time lapse revelam a atividade da cromosfera durante dois dias seguidos. As condições não eram perfeitas com um seeing médio a razoavelmente bom, mas foi possível captar um time lapse de cerca de 276 imagens para cada dia. O resultado final é um filme solar de alta resolução 4K com cerca de 3 horas de imagens. 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 proeminências eruptivas menores e rápidas que aparecem ao redor do limbo solar. No primeiro dia, uma proeminência vertical exibia uma nuvem de fogo pairando sobre o sol, suspensa e presa pelos fortes campos magnéticas que ali actuam.
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 550 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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