Well, sure, but of course it’s still actually super complicated. It’s been done with some success before, but a new camera on the Canada France Hawaii Telescope, called SITELLE (for Spectromètre Imageur à Transformée de Fourier pour l’Etude en Long et en Large de raies d’Emission, which roughly means a Fourier Transform Imaging Spectrometer for Long and Wide Study of Emission Lines, if that helps). The technique it uses is subtle and complex, but in the end what you wind up getting is a high-resolution spectrum of the nebula on every pixel of the camera.
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