RHE/other Radial Filtering of PUNCH Imagery

[GillySpace27]

The Radial Histogram Equalizing Filter works on PUNCH data and looks lovely. I thought that maybe it could be included in the example gallery or some other place.

Advantages: Maximizes the usage of the dynamic range of the output image, increases contrast of fine-scale and meso-scale structures, enhances minor fluctuations in dim regions of the image.

Here is the sunpy gallery page:
https://docs.sunpy.org/projects/sunkit-image/en/stable/generated/gallery/radial_histogram_equalization.html

Here is the comet video with RHEF Applied:

punch_movie_fast_1762968408.mp4

Here is the comet video without RHEF:

punch_movie_fast_1762896896.mp4

Note that a few updates should be made before full integration, including fixing the colorbar to always span [0,1] instead of scaling with every frame. Also, at about 10s in the video there is a beautiful kink in the comet's tail that I personally didn't see in the original.

[jmbhughes]

It'd be great to have you contribute an example to do this. If you need help figuring that out, let me know.

[jmbhughes]

Might be cool to also compare to a $1/r^2$ filtering.

[lowderchris]

I'd be curious to see this tested with new v0k data... @GillySpace27