In 1845, he obtained a position as an assistant at the private Benzenberg observatory in Bilk near Düsseldorf, but a year later joined the Bonn Observatory under Friedrich Wilhelm Argelander.
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Eventually, from 1842 to 1848, German mathematician Eduard Heis and Prussian astronomer Friedrich Wilhelm Argelander began observing it once every few years.
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Later observations by Eduard Heis and Friedrich Wilhelm Argelander reinforced Fritsch's initial suspicions and attracted attention to the star.