Galáxias Messier 31, Messier 32 e Messier 110.
Detalhes/ details:
Telescópio/ telescope: TS 80/480 @ f/4,7 (w/ TS Photoline 2" 0,79X reducer).
Tamanho angular/ angular size: 2,7 X 1,81 graus/ degrees.
Escala/scale: 2,41 arcsec/pixel.
Câmara/ camera: Atik One 6.0, sensor -15 ºC.
Montagem/ mount: Losmandy G11, Gemini II (Ovision)
Filtros/ filters: Astronomik CLS, Deep-Sky RGB.
Mosaic de 2 paineis, cada/ 2-pane mosaic each:
CLS 20X900"
R 10X600"
G 10X600"
B 10X600"
Combinação/ combination: L(RGB) - CLS(RGB).
Exposição total/ total exposure: 20h
Software de aquisição/ Acquisition software: Sequence Generator Pro.
Processamento/ processing: Pixinsight + Photoshop
Torres Novas, Portugal, dezembro 2017-janeiro 2018/ december 2017 - january 2018