A Mosaic from the Galactic Heart Immersed in a Colorful Cosmic Dust
Alqueva´s Dark Sky Reserve | By Year: 2023 | Deep Sky Wide Field
A mosaic composed by 6 panels comprising an integrated total time of 29 minutes exposure per panel, captured from Dark Sky® Alqueva Official Observatory, reveals a wide deep sky field near the core region of our galaxy. Besides showing a background completely full of stars and immersed in cosmic dust, we can easily recognize many well known deep sky objects, emission nebulae like Lagoon (M8) and IC4628. Reflection nebulae as Trifid M20 and many opaque dark regions that is blocking the light behind. Top left corner shows IC1284 while at the opposite edge, near the right center, the only star visible named 3 Sagittarii, stands very close to the real Galactic Center of Milky Way galaxy.
PT: Um mosaico de 77 milhões de pixeis composto por 6 painéis compreendendo um tempo total de integração de 29 minutos de exposição por painel, captado a partir do Observatório Oficial do Dark Sky® Alqueva, revela um amplo campo de céu profundo perto da região central de nossa galáxia. Além de mostrar um fundo completamente estrelado e repleto de poeira cósmica, podemos facilmente reconhecer muitos objetos bem conhecidos do céu profundo, como as nebulosas de emissão da Lagoa (M8) e IC4628. Nebulosas de reflexão como a Trifid M20 e muitas regiões escuras e opacas que bloqueiam a luz por detrás. O canto superior esquerdo mostra IC1284 enquanto na extremidade oposta da imagem, perto do centro direito, a única estrela visível e chamada 3 Sagittarii, revela a posição mais próxima do verdadeiro Centro Galáctico da Via Láctea.
Technical details | Detalhes Técnicos
Canon fixed prime lens 300mm f/2.8 set to f/3.5 + Canon 6D modified | ISO2500 – Exp. 70 seconds x 25 RGB lights per panel in a total of 6 panels | Total integration: ( 29 min x 6). Mount EQ6 Pro – Auto-guiding off. Controlled by AsiairPro. Processing on PixInsight 1.8.9-1, PT Gui Pro, Photoshop CC 2023. Cumeada Observatory from Dark Sky® Alqueva Reserve, Reguengos de Monsaraz.
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