He also edited Coeli et siderum in eo errantium observationes Hassiacae (1618), containing the astronomical observations of Landgrave William IV.
The Hessian star catalogue was published in Lucius Barettus's Historia coelestis (Augsburg, 1668), and a number of other observations are to be found in Coeli et siderum in eo errantium observationes Hassiacae (Leiden, 1618), edited by Willebrord Snell.
His death took place at the convent of Ara Coeli, near Padua, on the 13th of June 1231.
The MC (medium coeli) is where the meridian of the birthplace meets the ecliptic.