APOD: 2025 October 6 Б The Changing Ion Tail of Comet Lemmon
6.10.2025 | Астрономическая картинка дня

How does a comet tail change? It depends on the comet. The ion tail of Comet C/2025 A6 (Lemmon) has been changing markedly, as detailed in the featured image sequenced over six days between September 25 and October 4 (left to right) from Texas, USA.