I didn't imagine the heliopause having such a (almost theatrical) hard edge. Isn't even a month rather rapid at the scale of distances involved? At what point

I didn't imagine the heliopause having such a (almost theatrical) hard edge. Isn't even a month rather rapid at the scale of distances involved? At what point would equipment failure be considered, especially given the notable lack of experience in this scenario? Seems that corroborating evidence would be highly desirable before publicizing this. (Or perhaps I am underestimating the data already gathered on this topic...)