Man pages matching name amber_raw_to_fitsimage in section 7:

amber_raw_to_fitsimage.7.en	debian 10 / cpl-plugin-amber-doc
amber_raw_to_fitsimage.7.en	debian 11 / cpl-plugin-amber-doc
amber_raw_to_fitsimage.7.en	debian 12 / cpl-plugin-amber-doc