Nebulosa do Cone e Enxame da Arvore de Natal. Cone Nebula and the Christmas Tree Cluster.
Detalhes/ details:
Telescópio/ telescope: TS 80/480 @ f/4,7 (w/ TS Photoline 2" 0,79X reducer).
Câmara/ camera: Atik One 6.0, sensor -20..-22 ºC.
Montagem/ mount: Losmandy G11, Gemini II (Ovision)
Filtros/ filters: Astrodon 3 nm
Ha 16 X 1800"
OIII 17 X 1800"
SII 16 X 1800"
Combinação/ combination: Ha(SII, Ha,OIII)
Exposição total/ total exposure: 24,5h
Software de aquisição/ Acquisition software: Sequence Generator Pro.
Processamento/ processing: Pixinsight
Torres Novas, Portugal, janeiro-fevereiro/ January-February 2019.