Comet 2025 February. It was closest to earth on 2 february, still 41.8 million kilometres away, but according to australian national university (anu) astrophysicist dr brad tucker, the best time. A calendar of celestial phenomena in december 2025, listing the year's observing highlights.

Please see the weekly information about bright comets and comet catalog in order of day of perihelion for more information. A newly discovered comet could be visible to the naked eye as it shoots past earth and the sun in the coming weeks for the first time in 50,000 years, astronomers have said.