Disconnection of the Comet C/2022 E3 ZTF in Motion Revealed in a 4k Time Lapse Video


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A video time lapse sequence comprising around 3h30 minutes of images shows in a 4K resolution the moment when the Disconnection Event happened in the Comet c/2022 E3 (ZTF) during the night of 19th January 2023, revealing a piece of the plasma tail being uprooted from the comet’s head, and then carried away by the solar wind. The movie also features the wonderful greenish coma from glowing carbon gas and rare anti-tail. The comet was photographed late in the night at a distance of 79 million Km from Dark Sky® Alqueva Observatory in Portugal, during the last three hours and half before starts the astronomical twilight. This long distance traveller not seen in 50,000 years, was moving fast against the background starry sky while a few rapid greenish meteors were crossing the field of view too. That night, ZTF was located between constellations of Hercules, Corona Borealis and Bootes, showing a faint visual magnitude of +6.6. Although on 1st February the Comet it will be in the closest point to our planet and eventually until then could reach a naked eye magnitude, but this kind of objects are pretty unpredictable and we never know what surprise is waiting for us. More still images from this scene, click here.

PT: Uma sequência de vídeo time lapse que compreende 3h30 minutos de imagens em resolução 4K, mostra o momento em que o Evento de Desconexão aconteceu no Cometa c/2022 E3 (ZTF) durante a noite de 19 de Janeiro de 2023, revelando um pedaço da cauda de plasma a ser arrancado da cabeça do cometa e depois levado para fora pelo vento solar. O filme também mostra o maravilhoso coma esverdeado proveniente do brilho do gás carbono e uma rara anti-cauda. O cometa foi fotografado no final da noite a uma distância de 79 milhões de Km do Observatório Oficial do Dark Sky® Alqueva em Portugal, durante as últimas três horas e meia da noite até ao início do crepúsculo astronómico. Este viajante de longa distância que não se avistava há cerca de 50.000 anos, move-se muito rapidamente contra o fundo do céu estrelado enquanto alguns meteoros rápidos esverdeados também cruzavam o campo de visão. Naquela noite o ZTF estava localizado entre as constelações de Hercules, Coroa Boreal e Boieiro, mostrando uma fraca magnitude visual de +6,6. Embora a 1 de Fevereiro o cometa esteja no ponto mais próximo do nosso planeta e eventualmente até então possa atingir uma magnitude visível a olho nu, este tipo de objectos é bastante imprevisível e nunca sabemos que surpresa nos reserva. Para ver mais fotografias desta noite, clique aqui.

 



Technical details | Detalhes Técnicos

Despite the last still shot of the video which was taken with other equipment, all the time lapse sequences were captured with: Canon fixed prime lens 300mm at f/3,5 + Canon 6D modified | ISO2500 – sub Exp. of 70 seconds in a total of 183 images. Mount EQ6 Pro – Auto-guiding off. Processing on PixInsight 1.8.9-1, photoshop CC 2023 and Premiere Pro 2023. Cumeada Observatory from Dark Sky® Alqueva Reserve, Reguengos de Monsaraz.

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