Blueish Reflection Nebula VdB 152 Shining in Wolf’s Cave Region
Alqueva´s Dark Sky Reserve | By Year: 2023 | Deep Sky Wide Field
A wide field view from Wolf’s Cave region, located in Cepheus constellation, shows the faint blueish reflection nebula VdB 152, shining at the tip of the long dark nebula Barnard 175, lying at a distance of 1,400 light-years away. Not far way to right, shines the colorful planetary nebula Dengel-Hartl 5. The wide field scene also covers the dense dark nebula, known as LDN 1221, visible at the top edge. The image was captured from Dark Sky® Alqueva Official Observatory, in Portugal, with my Canon 6D modified and comprise 25h of exposure in RGB light, and is a result of the first light while testing the Omegon 76ED Apo triplet. I had a technical issue with my Ha lights, so I was not able to use it and properly reveal the supernova remnant arc this time. Hope you enjoy it!
PT: A imagem revela um campo amplo e profundo da região da Caverna do Lobo, localizada na constelação de Cepheus, e mostra a ténue nebulosa de reflexão azulada VdB 152, brilhando na ponta da longa e escura nebulosa Barnard 175, situada a uma distância de 1.400 anos-luz de distância. Não muito longe, à direita, brilha a colorida nebulosa planetária Dengel-Hartl 5. Este cenário celeste também cobre a densa nebulosa escura, conhecida como LDN 1221, visível na borda superior. A imagem foi captada no Observatório Oficial Dark Sky® Alqueva, em Portugal com minha Canon 6D modificada e compreende 25h de exposição em luz RGB, e é resultado da firstlight durante o teste do Omegon 76ED Apo triplet. Devido a um problema técnico com as minhas em Ha, desta vez não foi possível integrá-las adequadamente para permitir revelar o arco da supernova remanescente. Espero que gostem!
Above: The annotated version produced with PixInsight script, based in several known catalogues to identify the main objects in the image.
PT: Acima, A versão legendada com anotação produzida pelo script do PixInsight baseado em vários catálogos reconhecidos, identificando assim os principais objectos visíveis na imagem.
Technical details | Detalhes Técnicos
Omegon 76ED Apo triplet + Canon 6D modified | ISO2500 – Exp. 240 seconds x 387 RGB lights | Total integration: (1548 min) 25h. Mount EQ6 Pro – Asiair Pro. Processing on PixInsight 1.8.9-2, photoshop CC 2023. Cumeada Observatory from Dark Sky® Alqueva Reserve, Reguengos de Monsaraz.
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