By Andy Dungan | 2025-10-21
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A6 LEMMON
On 10/20/2025 07:35 pm by Catherine Hyde | Website | Shandon, CA USA
This is a single 45-second image of C/2025 A6 LEMMON, tracking on the comet rather than the stars. It was close to the horizon, about 14 degrees
Takahashi Epsilon 180 scope, Nikon D810A camera, Astro-Physics Mach2 tracking mount. I used the "Horizons" tool in my mount software that allows me to download a JPL ephemeris and use it to track the comet rather than the stars
I sharpened it slightly to bring out details in the tail. I also ran "correct only" using Blur Xterminator in PixInsight. That made the stars round again.
