November 4, 2025
On the day you were born, another consciousness opened inside the cosmos and began taking notes.
Comet Lemmon Beyond Lomnický Peak
Birthday · November 4, 2025
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APOD published November 4, 2025. Credit: Robert Barsa. A publication-date match, not a photo taken on your date. Independent of NASA.
Comet Lemmon has been putting on a show for cameras around the globe. Passing nearest to Earth in late October, the photogenic comet C/2025 A6 (Lemmon) sprouted two long and picturesque tails: a blue ion tail and a white dust tail. The ion tail is pushed away from the coma by the ever-present but ever-changing solar wind, at one point extending over 20 times the diameter of the full Moon -- as captured in this long-duration exposure. The shorter and wider dust tail is pushed away from the coma and shines by reflecting sunlight. The featured picture, captured two weeks ago, framed the comet behind Lomnický Peak of the High Tatra Mountains, home to the Slovakian Lomnický Stit Observatory. Comet Lemmon is now fading as it heads away from planet Earth. The huge shedding snowball will round the Sun later this week.
Image credit: Robert Barsa