Two comets, C/2025 A6 (Lemmon) and C/2025 R2 (SWAN), are set to make their closest approach to Earth today. Astronomy enthusiasts have the opportunity to watch a live stream of this rare cosmic event.
Details of the Close Encounter
The live observation will take place on October 20, starting at 1:30 p.m. EDT (1730 GMT). The event will be hosted by astronomer Gianluca Masi through his Virtual Telescope Project.
During this encounter, Comet Lemmon will pass approximately 56 million miles (90 million kilometers) away from Earth, while Comet SWAN will come even closer, at about 24 million miles (39 million kilometers). Both comets are expected to reach peak brightness between October 20 and 21.
Observing the Comets
- Comet Lemmon (C/2025 A6): Discovered in January 2025, it is best viewed in the western evening sky after sunset.
- Comet SWAN (C/2025 R2): Found in September 2025, this comet is ideal for viewing in the predawn sky, low on the eastern horizon.
How to Watch the Event
Viewers can enjoy the live stream on the Virtual Telescope Project’s website or via their YouTube channel, depending on weather conditions.
For those interested in capturing the moment, it’s helpful to refer to guides about the best binoculars and telescopes for beginners, as well as tips on how to photograph comets.
Conclusion
This double-comet event presents a unique opportunity for star gazers. It’s a rare occurrence to have two comets in view simultaneously, enhancing the excitement for astronomy fans across the globe.
