Solar Flare X1 from AR2994 in Motion – Still Photos and Time Lapse


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Captured on 30th April, 2022, from Dark Sky® Alqueva region, Portugal, a high-resolution image and time lapse sequence, features the chromosphere activity on this day. I was testing my new camera from Player One Apollo-M Max and photographing another region of the sun, when I was notified by spaceweatherlive app that an eruption was on going at 13h47 UT with the release of an extraordinary Solar Flare X1-class. So I had to immediately change my initial plans and pointed as quickly as possible the telescope to the limb where the Flare departed, from sunspot AR2994 – hidden already behind the edge of the sun. According to Spcaceweather, “the explosion still produced enough radiation for a strong shortwave radio blackout over the mid-Atlantic Ocean and Europe”. Conditions were a bit unstable, but I’ve manage to make a short time lapse of about 27 minutes. The final result is a 4K high resolution solar movie comprising around 1,5 hours of images from both sequences, including the one I was capturing before the Flare happened.

PT: Captada a 30 de Abril de 2022, na região do Dark Sky® Alqueva, Portugal, a imagem de alta resolução e sequência time lapse revelam a actividade da cromosfera neste dia. Eu estava a fazer uma sessão de testes da minha nova câmara solar Player One Apollo-M Max e fotografando outra região do sol, quando fui notificado pelo aplicativo spaceweatherlive de que uma erupção estava a acontecer às 13h47 UT com o lançamento de um extraordinário Flare Solar de classe-X1. Assim, tive que mudar imediatamente os meus planos iniciais e apontar o telescópio o mais rapidamente possível para a extremidade do disco solar onde o Flare teria ocorrido, partindo da reigão activa AR2994 – já escondida atrás do limbo solar. De acordo com Spcaceweather, “a explosão ainda produziu radiação suficiente para um forte apagão de rádio de ondas curtas, na região do Oceano Atlântico e parte da Europa”. As condições estavam um pouco instáveis, mas consegui fazer uma sequência time lapse de cerca de 27 minutos. O resultado final é um filme solar 4K de alta resolução com cerca de 1,5 horas de imagens de ambas as sequências, incluindo a que eu estava a captar antes do Flare acontecer.

Below are two still shots presented in a portrait version, taken with 40 minutes apart bewteen UT14h21 and UT14h40, intended to help conduct the reader attention to the most interesting parts of the image. Region from AR2994 which produced the Flare X1

PT: Abaixo estão duas fotos apresentadas em uma versão retrato, captadas com uma diferença de 40 minutos entre UT14h21 and UT14h40, com o objetivo intencional de ajudar a conduzir a atenção do leitor para as partes mais interessantes da imagem. Região da mancha AR2994 que produziu o Flare X1.

   

Below is possible to watch the video time lapse sequence compiling 235 shots processed (first and second sequence), 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 1,5 hours.

PT: Em baixo é possível ver o vídeo time lapse compilando 235 captações processadas (primeira e segunda sequência), 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 1,5h de imagens.

 


Technical details | Detalhes Técnicos

SW Esprit 120ED Professional | EQ-6 Pro mount | Daystar Quark Chromosphere filter| Player One Apollo-M Max |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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