Colorful Deep Cosmic Portrait of Orion Molecular Cloud Complex
Alqueva´s Dark Sky Reserve | By Year: 2022 | Deep Sky Wide Field
A deep wide field view captured with a telephoto prime lens of 300mm, shows the wonderful Orion Molecular Cloud Complex. Horsehead Nebula is visible in the upper left corner of this cosmic portrait, and Orion Nebula in the lower center. Both are immersed in the reddish emission from the light of hydrogen gas excited by energetic newly-formed hot and young stars. Blue-violet coloration, comes from the reflected radiation from the massive O-class stars. This complex contains dark nebulae, emission nebulae, reflection nebulae, and H II regions. The wide view also includes, Alnitak, Alnilam and Mintaka, the 3 main bluish bright stars of Orion’s Belt, in the constellation of Orion. Both M42 (Orion Nebula) and Barnard 33 (Horsehead) are located at a distance between 1350 and 1500 light years respectively and are the closest region of massive star formation to Earth. Small white and brown clouds are visible near Alnilam and Mintaka revealing a busy and colorful field with portions of dense gas which seems to be illuminated by the surrounding starlight. The image was captured from Cumeada Observatory, official headquarter of Dark Sky® Alqueva Reserve, Portugal.
PT: Uma visão ampla e profunda captada com uma lente prime de 300mm mostra o maravilhoso complexo molecular de Orion. A Nebulosa Cabeça de Cavalo é visível no canto superior esquerdo deste retrato cósmico, e a Nebulosa de Orion no centro inferior. Ambos estão imersos numa tonalidade avermelhada, resultado de uma emissão brilhante a partir do gás de hidrogénio excitado por estrelas quentes e energéticas, recém-formadas. A coloração azul-violeta visível na fotografia, provém da radiação refletida das estrelas da classe-O. Este complexo contém nebulosas escuras, nebulosas de emissão, nebulosas de reflexão e regiões H II. Esta visão ampla também inclui, Alnitak, Alnilam e Mintaka, as 3 principais estrelas brilhantes e azuladas que compõem o Cinturão de Orion, na constelação de Orion. Tanto a M42 (Nebulosa de Orion) quanto o Barnard 33 (Cabeça de Cavalo) estão localizadas a uma distância entre 1350 e 1500 anos-luz, respectivamente, sendo a região de formação estelar massiva mais próxima da Terra. Pequenas nuvens brancas e castanhas são visíveis perto de Alnilam e Mintaka, revelando um campo diversificado e colorido com porções de gás denso que parece ser iluminado pela luz das estrelas ao redor. A imagem foi captada no Observatório da Cumeada, Sede Oficial da Reserva Dark Sky® Alqueva, Portugal.
Technical details | Detalhes Técnicos
Canon fixed prime lens 300mm f/3.5 + Canon 6D modified | ISO2500 – Sub Exp. of 70 seconds each. Mount EQ6 Pro – Auto-guiding off |Total integration of 300 minutes (5h). Processing on PixInsight 1.8.9 and Photoshop CC 2022. Cumeada Observatory from Dark Sky® Alqueva Reserve, Reguengos de Monsaraz.
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