The fall of 1618 was a standout when it came to notable comets, boasting three visible to the naked eye. In late August, C/1618 Q1 appeared, first spotted in the skies over Hungary. Johannes Kepler observed the comet throughout the month of September, spotting it from Linz, Austria, through a small telescope on Sept. 6. Continue reading "Sept. 6, 1618: The first comet seen through a telescope" The post Sept. 6, 1618: The first comet seen through a telescope appeared first on Astronomy Magazine .