View of the Chromosphere During Partial Solar Eclipse 2025 – Images and Time Lapse
Alqueva´s Dark Sky Reserve | By Year: 2025 | Solar Ha | Time Lapses Photography
Captured on 29th March 2025, a high-resolution image and time lapse sequence features the chromosphere activity on a special day, when a Partial Solar Eclipse was visible from from our Dark Sky® Alqueva Observatory, in Portugal, reaching about 30% of occultation. The time lapse sequence comprises two hours and 442 images and the same data was processed in two total different ways to shows the details on the “surface” of the chromosphere with the moon revealing its dark disc, but as well as processed with a curves inversion to help show the prominences and the light flow around, with a nice level of depth and detail. In the 4k video we can see a transition between both visions while close to the maximum of the eclipse, is possible to see a little flare at the center of the image. These are real images and not AI generated in any sense!! They have been captured with a Lunt LS100 solar telescope and a Player One Apollo-M Max.
PT: Captada a 29 de Março de 2025, as imagens de alta resolução e sequência de time-lapse mostram a actividade da cromosfera num dia especial, quando foi visível um Eclipse Solar Parcial a partir do nosso Observatório Oficial do Dark Sky® Alqueva, na aldeia da Cuemada, em Reguengos, Portugal, atingindo cerca de 30% de ocultação do disco solar, por parte da Lua. A sequência time lapse compreende duas horas e 442 imagens, sendo que os mesmos dados foram processados de duas formas totalmente diferentes para mostrar os detalhes na “superfície” da cromosfera com a lua a revelar o seu disco escuro, mas também processados com uma inversão das curvas, para ajudar a mostrar as proeminências e o fluxo de luz circundante, com um bom nível de profundidade e detalhe. No vídeo 4k podemos ver uma transição entre essas duas visões distintas. Perto do máximo do eclipse, é possível ver um pequeno flare no centro da imagem. De referir, que estas são imagens reais e não geradas por (IA) inteligência artificial !! Foram captadas com um telescópio solar Lunt LS100 e uma câmara Player One Apollo-M Max.
Above are still images captured at different times. Below is possible to watch the video time lapse sequence compiling 442 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 2h of images.
PT: Acima duas imagens captadas com alguns minutos de intervalo. Em baixo é possível ver o vídeo time lapse compilando 442 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 2h de imagens.
Technical details | Detalhes Técnicos
LUNT LS100 BF1800| Player One Apollo-M Max | 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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