All the night-time photos of the blue-lit Cathedral are now fixed to reflect a closer representation to the real colours. It’s definitely the case that this colour presents a special challenge when taking night-time photography.
The difficulty comes where one is very close to the Cathedral and the Camera’s sensor is over-burdened with all the blue light in a larger portion of the image.
When photos are taken from far away, naturally this isn’t a problem.
So the solution is to evaluate each image in Lightroom (or Photoshop) and then looking solely at the blue colour, drop both the saturation and luminance values for blue until the desired colour is achieved – its more of an art than a science.
Its always good to do this very soon after taking the photos, because the exact colour is clear in ones mind. Of late for example, the blue lights at the Cathedral have been turned off in the night-time
For the APS-C Image Sensor in the camera, I suppose its a bit like this Seinfeld episode, which always was a favourite 🙂