NGC 7023Descubre Foundation, CAHA, DSA, OAUV, Vicent Peris (OAUV), Jack Harvey (SSRO), Steve Mazlin (SSRO)
Full resolution (0.5"/pixel)
Telescope
Calar Alto 1.2 meter Zeiss telescope.
Camera
2Kx2K, 24 um pixel SITe
Filters
Baader RGB.
Exposure Time
23 hour RGB (20 min subexposures).
Processing
PixInsight Core 1.7.