Eruptive Solar Prominence Few Minutes Before Release an M1.9 Flare


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Captured on 20th April, 2022, from Dark Sky® Alqueva region, Portugal, a high-resolution image features the chromosphere activity on this day. After a while without being able to photograph our Sun – several weeks with clouds – I tried my lucky. Despite the fact that winds were around 25km/h, with low clouds passing by all the time, and very unstable seeing, I could capture a nice eruptive prominence just 10 minutes before it release an M1.9 solar flare. In only 4 minutes apart we can see how the eruption has evolved so quickly. Due to the bad conditions I already mentioned, I was not able to do timelapse this time.

PT: Captada a 20 de Abril de 2022, na região do Dark Sky® Alqueva, Portugal, a imagem de alta resolução revela a actividade da cromosfera neste dia. Depois de algum tempo sem conseguir fotografar o nosso Sol – várias semanas com nuvens – tentei a minha sorte neste dia. Apesar de os ventos rondarem os 25km/h, com nuvens baixas a passarem constantemente à frente do Sol, e um seeing muito instável, consegui captar uma boa proeminência eruptiva apenas 10 minutos antes desta libertar um solar Flare de classe M1.9. Com apenas 4 minutos de intervalo, podemos ver como a erupção evoluiu tão rapidamente. Devido às más condições que já mencionei, não foi possível fazer timelapse desta vez.

Below are two still shots presented in a portrait version, taken with 4 minutes apart bewteen UT12h13 and UT12h17, intended to help conduct the reader attention to the most interesting parts of the image.

PT: Abaixo estão duas fotos apresentadas em uma versão retrato, captadas com uma diferença de 4 minutos entre UT12h13 and UT12h17, com o objetivo intencional de ajudar a conduzir a atenção do leitor para as partes mais interessantes da imagem.

   

Technical details | Detalhes Técnicos

SW Esprit 120ED Professional | EQ-6 Pro mount | Daystar Quark Prominence filter| QUY5III174M | 0,67x Reducer |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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