Viewing Schedule
October 19: Comet SWAN reaches closest approach to Earth and peak brightness; best viewing window 90 minutes after sunset in southwestern sky
October 21: Comet Lemmon achieves maximum brightness coinciding with new moon; visible to naked eye in evening western sky
Late October: Comet Lemmon transitions fully to evening visibility as it continues westward trajectory
Ongoing: 3I/ATLAS observation and analysis continues as astrophysicists work toward definitive classification of the interstellar object
