Solar Chromosphere With a New Level of Detail and The Giant Active Region 13590

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Captured yesterday 28th February 2024, the image is the result of a new technique and workflow I’m developing just for full disc images, specially dedicated to reveal the sun’s surface in great detail up to the limb while keeping a nice ambience and light flow around the prominences. So I didn’t made time lapse this time, but the still view is full of interesting features on the chromosphere with a large filament at the center while the giant Active Region 13590 is moving towards the limb. According to Spaceweather “AR3590 is now the largest sunspot of Solar Cycle 25. For comparison, it is 60% as large (by surface area) as the great sunspot that caused the Carrington Event in Sept. 1859. AR3590 unleashed three X-flares in rapid succession, including the strongest flare of the current solar cycle (X6.3).” The photo was captured from Dark Sky® Alqueva territory, in Portugal at UT12h09m. For this image I used my Lunt LS100 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® Alqueva territory, in Portugal at UT12h09m. 

PT: Captada ontem, 28 de Fevereiro de 2024, a imagem é o resultado de uma nova técnica e workflow que estou desenvolvendo para imagens do disco completo do Sol, especialmente dedicada para revelar a superfície de uma forma bem detalhada até próximo do limbo, mantendo uma ambiência agradável e fluxo de luz ao redor das proeminências. Assim, desta vez não fiz um time lapse, mas a visão estática também pode revelar detalhes interessantes sobre a cromosfera com um grande filamento no centro enquanto a enorme Região Activa 13590 se move em direção ao limbo Solar. De acordo com o Spaceweather “AR3590 é até agora a maior mancha solar do Ciclo Solar 25. Para efeito de comparação, é 60% maior (por área de superfície) do que a grande mancha solar que causou o Evento Carrington em setembro de 1859. AR3590 desencadeou três explosões X em sucessão rápida, incluindo a explosão mais forte do ciclo solar atual (X6.3).” Para esta imagem usei meu Lunt LS100 com uma câmera Player One Saturn-M SQR, que é a combinação perfeita para este tipo de imagens de disco completo. A foto foi capturada no território Dark Sky® Alqueva, em Portugal às UT12h09m.

Below is 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® 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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