So!! I perfected the time-lapse using Raw shots from my camera *as opposed to recording in video mode*.- this one has 380 RAW files… and shot in sequence. So essentially it would be 6K , then downscaled to 4K. YouTube has probably reduced the quality a lot here but on my screen at home, the footage looks beautiful. I opened all images in Lightroom, edited and graded one of the files then synced this with the remaining 379 images, exported them in sequence filenames and then used Adobe Premier to export the sequence at around 100mbps. Easy!