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.
Sigma Alpha Epsilon | Delta Kappa Epsilon | Alpha Epsilon Pi | Sigma Phi Epsilon | Phi Sigma Epsilon | Tau Kappa Epsilon | Lambda Phi Epsilon | Epsilon Indi | Alpha Epsilon Delta | Upsilon Pi Epsilon | Sigma Iota Epsilon | Pi Sigma Epsilon | Nu Kappa Epsilon | Epsilon Pegasi | Epsilon | Delta Epsilon Sigma | Beta Aurigae | Alpha Omega Epsilon |