New Bright Comet SWAN Could Perform a Surprise October Show

New Bright Comet SWAN Could Perform a Surprise October Show

A new comet approaching from sunward could make a fine dusk appearance in October. There was chatter on the boards this past Friday September 12th, about a comet seen in the Solar Wind Anisotropies (SWAN) images near the Sun. Tentatively named SWAN25B and now formally designated as C/2025 R2 SWAN, this comet could put on a brief show in late September into October if it holds up.

New Comet C/2025 R2 (SWAN): View from Mexico at Sunset

New Comet C/2025 R2 (SWAN): View from Mexico at SunsetYesterday, the Minor Planet Center gave Comet SWAN25B its official name: C/2025 R2 (SWAN). Between October 18-21, 2025, Comet SWAN will be only 0.26 astronomical units AU from our planet.  If it does not fall apart between now and then, it could become a beautiful target for photographers and backyard astronomers. Another date of interest is Oct. 4-6 when Earth may cross the comet's debris st…