NGC6888 Crescent Nebula in Narrowband Bicolour Palette
NGC6888 Crescent Nebula in Narrowband Bicolour Palette.
All imaging took place at my remote observatory at e-EyE, Spain.
This image comprises 30 hours of exposures in 60 exposures in total. All Hydrogen-Alpha and Oxygen-III narrowband exposures were captured over 1800 seconds each.
HA = 30 x 1800s
OIII = 30 x 1800s
Equipment and software used:
Mount: Avalon M-Uno
Telescope: Altair Astro 8" RC
Camera: QSI 660wsg-8
Autoguider: Starlight Xpress Lodestar X2
Filters: Astrodon Hydrogen-Alpha 3nm and Oxygen-III 3nm
Capture Software: Sequence Generator Pro and PHD2
Processing Software: PixInsight