From a photographer's perspective, using cel scans as a reference could be a fool's errand because they are biased by the white color of the scanner light and scanning software. There's a lot of room for opinionated scans there.
OTOH, the result looks great, so good on the passionate fans who spent their time and effort doing this.
> CRT ("brown tube")
ブラウン管 means Braun tube, named for its inventor.
Thanks for the correction — I had no idea it was named after a person. Interesting that in katakana, both "brown" and "Braun" are the same: ブラウン.