He made only a very few manuscript copies available to his closest acquaintances, including, it seems, several Kraków astronomers with whom he collaborated in 1515–30 in observing eclipses.
他只是做了几份手抄本赠予最亲近的朋友，其中似乎包括几个克拉科夫的天文学家，他们曾于1515-30年间一起合作观察日食。