Dark Moon Disc Against the Solar Chromosphere During the Partial Phase of Annular Solar Eclipse 2023

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I was not in the path of the last Annular Solar Eclipse, but in collaboration with my friend James Sinclair which captured the data in US, I could then process it to achieve the result I’m sharing, something a bit fancy, different and less conventional, so I hope you enjoy it. The image shows a singular moment during the last annular solar eclipse, when the moon started to cover the disc of the sun. The entire disc of the moon is normally not possible to capture during partial phases, due to the fast shorter exposures we can only see the part of the disc visible in front of the solar disc, by contrast. So in order to reveal all the details of the chromosphere as well as the ambient light surrounding the limb’s disc that features all the prominences and spicules visible during the Eclipse, I did a fancy technique, which was to carefully remove the entire real silhouette shadow of the lunar disc captured during the maximum moment, to re-align and combine it again with this partial phase shot, this time, revealing in artistic way all the moon silhouette against the background light.

PT: Eu não estava no caminho do último Eclipse Solar Anular, mas em colaboração com meu amigo James Sinclair, que captou as imagens a partir dos EUA, pude processá-las para alcançar o resultado que aqui partilho, algo um pouco sofisticado, diferente e menos convencional, por isso espero que gostem. A imagem mostra assim um momento singular durante o último eclipse solar anular, quando a Lua começou a cobrir o disco do Sol. Normalmente não é possível captar todo o disco da lua durante as fases parciais, devido às exposições mais curtas e rápidas, só podendo ver a parte do disco visível na frente do Sol, por contraste. Assim, para revelar todos os detalhes da cromosfera, bem como a luz ambiente que envolve o limbo solar e que apresenta todas as proeminências e espículas visíveis durante o Eclipse, fiz uma técnica sofisticada, que consistiu em separar e remover cuidadosamente toda a silhueta real do disco lunar captado durante o momento máximo do Eclipse, para realinhá-lo e combiná-lo novamente com esta foto da fase parcial, desta vez revelando de forma artística toda a silhueta da lua contra a luz de fundo.




Technical details | Detalhes Técnicos

Lunt Solar System LS60| ASI 174MM | Stack of 200 frames for each single image, captured in average seeing conditions from USA.

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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