The Veil Nebula Supernova Remnant With Shining Filaments of Glowing Ionized Gas
Alqueva´s Dark Sky Reserve | By Year: 2023 | Deep Sky Wide Field
The Veil Nebula, also known as the Cygnus Loop, is the result of a supernova remnant located toward the constellation of Cygnus at about 1,400 light-years away. The nebula was created between 5,000 to 15,000 years ago, after a cataclysmic explosion of a massive star. The interstellar shock wave was projected through space exciting interstellar material. The entire Veil Nebula spans 6 times the diameter of the full Moon which is equivalent to 70 light-years across and is still expanding into space. The nebula reveals these tangled filaments of glowing ionized gas. Ripples remarkably well separated into reddish hues from atomic hydrogen gas and blue-greenish hues from atomic oxygen gas. This deep space scene also includes the Witch’s Broom Nebula (NGC 6960) where bright 52 Cygni star is shining, and the Fleming’s Triangular Wisp (NGC6979) as well as NGC6974. The Veil Nebula was discovered by William Herschel on September 5, 1784. The image captured from Dark Sky® Alqueva observatory, in different wavelengths between Ha, OIII and RGB light, using the Anit-Halo PRO Dual-Band 3nm and a Poseidon-C Pro Camera from Player One Astronomy.
PT: A Nebulosa do Véu, também conhecida como Cygnus Loop, é o resultado de uma supernova remanescente localizada próximo à constelação do Cisne, a cerca de 1.400 anos-luz de distância. A nebulosa foi criada entre 5.000 a 15.000 anos atrás, após a explosão cataclísmica de uma estrela massiva. A onda de choque interestelar foi projectada através do espaço, excitando material interestelar. Toda a Nebulosa do Véu mede 6 vezes o diâmetro da Lua cheia, o que equivale a 70 anos-luz de extensão e ainda se continua a expandir para o espaço actualmente. A nebulosa revela filamentos emaranhados de gás ionizado brilhante. Ondulações notavelmente bem separadas em tons avermelhados provenientes do gás hidrogénio atómico e tons de azul-esverdeado do gás oxigénio atómico. Este retrato amplo do espaço profundo também inclui a Witch’s Broom Nebula (NGC 6960), onde se encontra a estrela brilhante 52 Cygni, e Fleming’s Triangular Wisp (NGC6979), bem como NGC6974. A Nebulosa do Véu foi descoberta por William Herschel em 5 de setembro de 1784. A imagem foi captada a partir do Observatório Oficial do Dark Sky® Alqueva, na Cumeada, Portugal, em diferentes comprimentos de onda entre a luz Ha, OIII e RGB e usando o filtro Anit-Halo PRO Dual-Band 3nm, conjuntamente com a Poseidon-C Pro Camera, da Player One Astronomy.
Above and Below: The annotated version produced with PixInsight script based in several known catalogues to identify the main objects in the image. As well as a starfield presented in portrait version, intended to help conduct the reader attention to the most interesting parts of the image.
PT: Acimea e em baixo: Uma versão legendada com anotação produzida pelo script do PixInsight baseado em vários catálogos reconhecidos, identificando assim os principais objectos visíveis na imagem. Assim como uma versão em formato de retrato com o objetivo intencional de ajudar a conduzir a atenção do leitor para as partes mais interessantes da imagem.
Technical details | Detalhes Técnicos
Taka FSQ-106ED at F3.6 – EM200 auto-guided in N.I.N.A| Poseidon-C Pro Camera from Player One Astronomy | Sub Exp. 5 min with Anit-Halo PRO Dual-Band Filter 2″ (Ha+OIII) 3nm from Player One Astronomy | Total integration of 19h (16,4h in HaOIII + 2,3h in RGB). Processing on PixInsight 1.8.9-2 and Photoshop CC 2024. Cumeada Observatory from Dark Sky® Alqueva Reserve, Reguengos de Monsaraz, Portugal.
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