Charles Augustus Young observed a solar flare with a spectroscope on 3 August, 1872, and also noted that it coincided with a magnetic storm on Earth. Read more
Charles Augustus Young (December 15, 1834 - January 4, 1908) one of the foremost solar spectroscopist astronomers in the United States, died of pneumonia after a brief illness, at his home in Hanover, New Hampshire, on 4 January 1908. He observed solar eclipses and worked on spectroscopy of the Sun. Read more