The Minor Planet Center officially designated it as C/2025 F2 (SWAN) on April 8. The three astronomers “noticed a faint smudge, indicative of a comet, that seemed to move across the sky over a period ...

"The brighter the object, usually the bigger it is," said Brian Marsden, director of the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts. "If it's bright ...

The Minor Planet Center confirmed the discoveries on March 11. The team observed Saturn repeatedly between 2019 and 2021 and ...