Comet Lemon will be in the heart of the constellation Boötes, the Herdsman, as it makes its closest approach to Earth on Oct.
October is shaping up to be a great month for skywatchers. Two comets blazing through our solar system—C/2025 R2 (SWAN) and C/2025 A6 (Lemmon)—will become more visible to the naked eye in a few weeks.