IC 410 and IC 405 Shines in a Colorful Deepsky Portrait of HaOIII and RGB Light
Alqueva´s Dark Sky Reserve | By Year: 2023 | Deep Sky Wide Field
A deepsky wide portrait captured in different wavelengths between Ha, OIII and RGB light, features two large emission nebulae complexes lying in the constellation of Auriga. At left (or up on the portrait version), IC410 also known as Tadpole Nebula, located at about 12,000 light-years away, is a cloud of glowing gas with 100 light-years across, sculpted by stellar winds and radiation from embedded open cluster NGC 1893, shinning near the dark dense cloud at the center of the star-forming nebula. Not faraway, two dense streamers of material can be noticed, trailing away from the nebula’s central regions. These cosmic tadpole, are potentially sites of ongoing star formation with about 10 light-years long. Bright colorful stars from Auriga constellation are shining in the center of this cosmic portrait, between the two main large nebulas. Visible on the right side of the landscape version (below on the portrait one), The Flaming Star nebula, IC 405, lies at about 1,500 light-years away. Glowing in red, convoluted clouds of hydrogen and filaments of atomic gas, are energized by hot, young variable O-type star AE Aurigae, which illuminates the nebula while its blue starlight is scattered by interstellar dust. While retracing the star’s motion through space, astronomers have conclude that AE Aurigae is a blue runaway star that is believed to have been ejected from the Orion nebula some 2.7 million years ago. The image was captured from Dark Sky® Alqueva Observatory, Cumeada, in Portugal, with a Poseidon-C Pro Camera from Player One Astronomy, and the new Anit-Halo PRO Dual-Band (Ha+OIII) 3nm.
PT: Um retrato amplo do céu profundo captado em comprimentos de onda diferentes entre a luz Ha, OIII e RGB, apresenta dois grandes complexos de nebulosas de emissão, situados na constelação de Auriga. À esquerda (ou acima na versão retrato), IC410, também conhecida como Nebulosa do Girino, localizada a cerca de 12.000 anos-luz de distância, é uma nuvem de gás brilhante com 100 anos-luz de diâmetro, esculpida por ventos estelares e radiação de um aglomerado aberto embutido na nebulosa, NGC 1893, que brilha perto da nuvem escura e densa no centro desta nebulosa de formação estelar. Não muito longe, podem ser observadas duas densas correntes de material, afastando-se das regiões centrais da nebulosa. Esses “girinos” cósmicos são potencialmente locais de formação estelar contínua com cerca de 10 anos-luz de comprimento. Estrelas coloridas e brilhantes da constelação de Auriga, destacam-se no centro deste retrato cósmico, separando as duas grandes nebulosas principais. Visível no lado direito da versão de paisagem (abaixo na versão retrato), a nebulosa Flaming Star, IC 405, fica a cerca de 1.500 anos-luz de distância. Brilhando em tons de vermelho, nuvens convolvidas de hidrogénio e filamentos de gás atómico são energizadas pela jovem e quente estrela variável do tipo-O, AE Aurigae, que ilumina assim a nebulosa enquanto a sua luz estelar azul é espalhada pela poeira interestelar. Ao retraçar o movimento da estrela através do espaço, os astrónomos concluíram que AE Aurigae é uma estrela azul em fuga que se pensa ter sido ejectada da nebulosa de Orion há cerca de 2,7 milhões de anos. A imagem foi captada a partir do Observatório Oficial do Dark Sky® Alqueva, na Cumeada, Portugal, com uma Player One Astronomy, a Poseidon-C Pro Camera e novo filtro Anit-Halo PRO Dual-Band (Ha+OIII) 3nm.
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 11,5h (8 in HaOIII + 3,5h 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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