haʊˈɛvɚ, ðə fˈɜːst dɪstˈɪŋkt ænd diːtˈeɪld ɹˈɛkɚd ʌvðɪ ˈæʃən lˈaɪt wʌz pɹədˈuːst baɪ ɹˌɪksɪˈoʊli ˌɔn nˈaɪn dʒˈænjuːˌɛɹi wˈʌn θˈaʊzənd sˈɪkshˈʌndɹɪd fˈoːɹɾi θɹˈiː, hˌuː ɐskɹˈaɪbd ɪt tə ðə ɹᵻfɹˈækʃən ʌv lˈaɪt wɪðˌɪn ðə tˈɛlᵻskˌoʊp ɪtsˈɛlf: "ðə kˈʌlɚz ɚɹˈaɪz fɹʌmðə vˈɛɹiəs ɹᵻfɹˈækʃən ʌv lˈaɪt ɪnðə ɡlˈæs, æz ɪt hˈæpənz wɪð tɹˈɪɡənəl ɡlˈæsᵻz."
However, the first distinct and detailed record of the ashen light was produced by Riccioli on 9 January 1643, who ascribed it to the refraction of light within the telescope itself: "The colors arise from the various refraction of light in the glass, as it happens with trigonal glasses."