@brloveday @HayleyEversKing @stim3on @rsimmon @HarelDan @BBCAmos @mouthofmorrison Have you seen this paper? https://t.co/lT3x3IbvG8 It tries to come up with a decent approximation of what the human eye would see from Himawari imagery - works quite well! (also in satpy, generalised to all the GEO sensors!)