Last night I was able to get in only one shot of Comet Lemmon with the AT80EDT refractor before it set behind the Bristol Head ridgeline. A second shot showed only the tail:
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| Tail of Comet C/2025 A6 (Lemmon). AT80EDT refractor. |
After the comet sank out of sight I turned the telescope to the open star cluster M23 in Sagittarius:
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| M23 |
M23 is just one cluster among many in this densely populated section of the Milky Way. Here is a finder chart for context:
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| credit: SkySafariAstronomy.com |
After the star cluster, the dwarf-planet Pluto was a good target:
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| Pluto (circled) on 08 Nov. |
Here is an image from 16 Oct with about the same FOV, taken with a 135mm f/2 lens:
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| Pluto (circled) on 16 Oct. |
Comparison of the two images reveals how much Pluto has moved with respect to the background stars over three weeks. Pluto is currently about magnitude 14.6 in the constellation Capricornus.





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