Explore a Large Solar Filament 29x the Size of Earth in a Virtual Reality of the Sun in 360º

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On 31th of July 2023, a huge filament was visible on the sun’s disc center. At first sight and according to the size, it seems to fit in a quarter of the solar diameter, which will probably indicates a size of around 370,000 km or 29x the size of our planet Earth. Solar filaments are clouds of ionized gas, or plasma, as seen in contrast above the chromosphere. When a solar filament is seen near the solar limb, then it is called a “prominence” instead of a filament. Prominences contain much cooler plasma and are anchored by magnetic field structure, to the Sun’s surface in the photosphere. So I’ve setup the LuntLS100 this time with a Player One Saturn-M SQR camera which is the perfect combination for this type of full disc images. The photo was captured from Dark Sky® territory, in Portugal at UT13h53m. Below you can experience a Virtual Reality 360º in 7K resolution using your desktop, or smartphone with gyroscope. A great “in loco” experience can be achieved if you wear a VR glasses.

PT: No passado dia 31 de Julho de 2023, foi possível observar e registar um enorme filamento visível no centro do disco solar. À primeira vista este filamento extendia-se por cerca de quarto do diâmetro solar, o que provavelmente indica um tamanho de cerca de 370.000 km ou 29x o tamanho do nosso planeta Terra. Os filamentos solares são nuvens de gás ionizado, ou plasma, visto em contraste acima da cromosfera. Quando um filamento solar é visto perto do limbo solar, ele passa a ser designado de “proeminência” em vez de filamento. As proeminências contêm plasma muito mais frio e são ancoradas pela estrutura do campo magnético, à superfície do Sol, na fotosfera. Para captar esta imagem configurei o LuntLS100 com uma câmara Player One Saturn-M SQR, que é a combinação perfeita para este tipo de imagens de disco completo. A fotografia foi captada a partir do território Dark Sky®, em Portugal cerca das UT13h53m. Embaixo o leitor pode assim experienciar esta Realidade Virtual em alta-resolução 7K usando o seu desktop ou smartphone com giroscópio. Uma ótima experiência “in loco” pode ser alcançada se usar óculos de realidade virtual.

Below are a still shot presented in monocrhome version, intended to help conduct the reader attention to the most interesting parts of the image.

PT: Em baixo 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. 


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® 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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