Other Accomplishments of Anders Celsius http://www.ica-d.de/srv/chr/pic/m1742aab.jpg In 1725, Celsius became secretary of the Royal Society of Sciences and served with them until his death in 1744. After his involvement in the expedition led by Pierre Louis de Maupertuis, Celsius gained the respect of the Swedish government and his peers, and was able to build an interest in having a modern observatory constructed in Uppsala. He was successful in obtaining donations for the construction and filled the observatory with instruments that he purchased throughout his voyages abroad. In addition to his aurora borealis observations, Celsius made a series of observations using colored glass plates as a recording tool of the magnitude, or brightness, of stars. He was the first person to attempt to measure the brightness of a star using something other than just the human eye. Celsius made observations of eclipses and many other astronomical events and published his observations of close to three hundred stars and their magnitude using his own photometric system. Uppsala Church where Anders Celsius is buried next to his grandfather http://www.answers.com/topic/anders-celsius