Giants of the Solar System – Solar Prominence with Planetary Scale
Alqueva´s Dark Sky Reserve | By Year: 2022 | Solar Ha | Time Lapses Photography
How big is big ? On 6th and 7th February, 2022, the Sun has featured a gigantic solar prominence over the limbs chromosphere. This Giant was visible for two days and then erupted, throwing a coronal mass ejection (CME) into space. According to my measurements in pixels, the size of this prominence – special in the second day – was about 10x the size our planet Earth, in height, but stretching around the sun’s limb for thousands of kilometres. As comparison, a width beyond the largest system rings of Saturn. So I used my planetary images of Jupiter, Saturn and Mars to give a scale in the movie as well as in the final poster with the still images. Both Solar and planetary photos were captured in the Dark Sky® Alqueva region, Portugal.
All the images captured in this sesssion are available in my gallery here. As this kind of images are involving a tremendous amount of work (several hours, days) and data to process. Here are some curiosities: I have captured 692 Raw videos of 900 frames each. A total of 622,800 frames with 3TB of space. Around 22% were used, with 138,400 still images being processed. Below is possible to watch the 4K high resolution video time lapse sequence compiling 692 shots processed (wide and Close-up), each one as result of a stack of the best 200 frames from each raw video.
PT: Em baixo é possível ver o vídeo time lapse compilando 692 captações processadas (wide e close-up), 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 5h de imagens.
PT: Quão grande é grande? Nos dias 6 e 7 de fevereiro de 2022, o Sol apresentou uma proeminência solar gigantesca visível ao redor a cromosfera. Este gigante, ficou visível por dois dias e depois entrou em erupção, lançando uma ejeção de massa coronal (CME) no espaço. De acordo com minhas medições em pixels, o tamanho dessa proeminência – especialmente no segundo dia – era em altura cerca de 10x o diâmetro do nosso planeta Terra, mas a sua extensão ao redor do limbo solar atingia milhares de quilómetros. Como comparação, a sua largura poderia ir para além do maior sistema de anéis de Saturno. Nesse sentido, usei imagens planetárias obtidas por mim, de Júpiter, Saturno e Marte para dar uma escala no filme, bem como no poster final com as imagens estáticas. As imagens solares e planetárias foram captuadas na região do Dark Sky® Alqueva, Portugal.
Todas as imagens captadas nesta sessão estão disponíveis na minha galeria aqui. Como este tipo de imagens envolve uma quantidade enorme de trabalho (várias horas e dias) e muitos GBs para processar. Aqui estão algumas curiosidades: Captei 692 vídeos Raw de 900 frames cada. Um total de 622.800 frames ocupando um total de 3 TB de espaço. Cerca de 22% foram utilizados, totalizando 138.400 imagens estáticas processadas.
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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