This LRGB shot was taken with an SBIG STL11000 and the 20 inch Alluna RC of IAS-Observatory 4120mm/f8. RGB filters were used from Baader. L-channel images were acquired without any filter. Additive exposure time is 10 hours.
SBIG STL-11000,IAS Alluna 20" RC self guided with Zeiss mount
full exif