Comets

3I/ATLAS Interstellar Comets C/2025 A6 (Lemmon) C/2023 A3 (Tsuchinshan-ATLAS) Comet 12P/Pons-Brooks Observation Techniques 3I/Atlas Comet C/2023 A3 Comet C/2025 A6 (Lemmon) Comet Lemmon Comet Characteristics Dark Comets Halley's Comet C/2025 A6 Lemmon Tsuchinshan-Atlas Oumuamua Characteristics C/2025 R2 (SWAN) 12P/Pons-Brooks Comet A6 Lemmon Tsuchinshan-ATLAS Lemon Comet Swan and Lemmon 2I/Borisov Visibility Comet A3 Oort Cloud C/2023 A3 Tsuchinshan-ATLAS Comet Tsuchinshan-ATLAS C/2023 A3 Tsuchinshan-Atlas Comet SWAN Specific Comet Names Night Sky Observation Perihelion Events C/2025 F2 (SWAN) Space Missions Borisov Comet 2I/Borisov Comet 21/Borisov C/2025 K1 (Atlas) 96P/Machholz 31/ATLAS Visibility Predictions Observations Discovery of 3I/ATLAS Discovery Visibility Techniques Observation Comet R2 SWAN Comet 3I/ATLAS Visibility of Comets Distance from Earth Interestellar Comets Comet Lemmon C/2023 H2 Other Notable Comets C/2025 A6 C/2025 A4 (Lemmon) C/2025 R2 Comet C/2025 R2 (SWAN) Halleyscher Komet Halley C/2025 K1 ATLAS Comet 13P/Olbers Discovery Programs 311P/Pan-STARRS Swift-Tuttle Comet 109P/Swift–Tuttle Long-Period Comets C/2024 S1 C/2023 A3 Tsuchinshan–Atlas Comet C/2023 A3 Tsuchinshan–ATLAS Comet 2023 A3 C/2023A3 Tsuchinshan-ATLAS C/2023 A3 (Tsuchinshan–ATLAS) C/2024 S1 ATLAS Interstellar Objects Solar System Comet 96P/Machholz C/2024 G3 (Atlas) Swift-Tuttle Comet Comet Nishimura 109P/Swift-Tuttle 3200 Phaethon Comet Observations Comet History Comet Predictions Specific Comets Comet Observation Main-Belt Comets Comet Composition Appearance Comet Behavior