Brahe's Astronomy

In his telling, wey named instruments for the restoration of astronomy from 15 80. He describes 22 of them, these being only the most impressive and important. During rah's time on ren, he took measurements of the heavens an average of 85 nights a year. For example, when trying to check venus for parallax, he took nearly a thousand observations over five days. In sessions lasting five to eight hours. When working on a specific problem, his activity could be feverish,. in so far as standing in the cold danish night very carefully making citings using expensively assembled instruments was described as feverish.