Historic Comet Expected to Dazzle Night Sky During October; Closest Approach on the 12th

Experience the brilliance of comet C/2023 A3, visible nightly this October, with its closest approach to Earth on October 12.

Double space comets Lemmon, Swan to fly near Earth

A rare encounter of two comets this week will have stargazers in awe after nearly a year of no easily seen comets.
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Oberth Maneuver or natural flight path? 3I/ATLAS’s solar approach raises new questions

As 3I/ATLAS moved closer to the Sun, it raised doubts about whether it’s following a natural path or performing an Oberth Maneuver ...

2 Green Comets Shine Bright — How To Spot Them In The Night Sky

Comet Lemmon, also designated C/2025 A6, was discovered in January by a telescope scouring the night sky for near-Earth asteroids. Comet SWAN, also known as C/2025 R2, was spotted in September by an ...
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The Time To Watch Comet Lemmon Is Now

The best time to watch Comet C/2025 A6 (Lemmon) is upon us. Grab your binoculars, telescope, or just get into a very dark area and use your eyes. This is the best comet of 2025, and it is making its ...
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Comet Lemmon and Comet SWAN: When and where to get the best view and will it be visible through binoculars

Skywatchers are in for a rare celestial treat this week as two green comets — Comet Lemmon (C/2025 A6) and Comet SWAN (C/2025 R2) , glide through the night skies, offering binocular viewers a striking ...