Hassan Abdollahabadi, taken from Chelpo, Rivash, Iran Comet Lemmon (C/2025 A6) is now on an outbound path, having reached perihelion — its closest point to the Sun — on Nov. 8. This imager captured the comet that night with a Canon mirrorless camera, stacking twenty 20-second sky frames taken with a 135mm lens at f/2.8Continue reading "Lemmon at perihelion"