C/1652 Y1

C/1652 Y1, often referred to as the Great Comet of 1652, was a non-periodic comet that appeared in 1652. The designation "C/" indicates that it is a comet with an orbit that has not been definitively proven to be periodic (closed) within the timeframe observations allowed. "1652" refers to the year in which it was observed, and "Y1" designates that it was the first comet discovered in that year.

The comet's brightness was notable, and it was widely observed throughout Europe. Historical records, including astronomical observations and contemporary descriptions, provide information about its trajectory and appearance. However, due to the limitations of astronomical technology at the time, precise orbital calculations are difficult, and a definitive orbit has not been established. Therefore, its future visibility is unknown. Its observation contributed to the understanding of comets during the 17th century, a time when scientific understanding of celestial objects was rapidly evolving. The comet's appearance was documented by several astronomers of the era.

The designation system for comets has evolved since the 17th century. Modern nomenclature provides more specific information about a comet's orbital period and classification, but the C/1652 Y1 designation reflects the practice of naming comets based on the year of their discovery and order of appearance.