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Hi everyone, I have noticed in the top left of my processed image of M81 & M82 that there is a 'smudge'. I think it's just a galaxy but the plate solve on astrometry gives nothing. Or is it a dust spot on my lens? thanks for the help by Jarne_06
CelestialEdward on January 2, 2026 4:12 pm If you look in Stellarium it’s fairly easy to identify as UCG 5427
caullerd on January 2, 2026 4:14 pm [https://astrobackyard.com/wp-content/uploads/2019/04/M81-M82-galaxies.jpg](https://astrobackyard.com/wp-content/uploads/2019/04/M81-M82-galaxies.jpg) That’s not a smudge, it’s there on Trevor Jones image too, the first one in google search for me. I think it’s a galaxy.
leravageur25s on January 2, 2026 4:16 pm I can think is NGC 3077, but not sure.otherwise beautiful photo !!
Techno-Scientist on January 2, 2026 4:29 pm Nice image! Siril has a script to label the object in an image, it should recognize it and give you the name (“galaxy annotations”)
4 Comments
If you look in Stellarium it’s fairly easy to identify as UCG 5427
[https://astrobackyard.com/wp-content/uploads/2019/04/M81-M82-galaxies.jpg](https://astrobackyard.com/wp-content/uploads/2019/04/M81-M82-galaxies.jpg)
That’s not a smudge, it’s there on Trevor Jones image too, the first one in google search for me. I think it’s a galaxy.
I can think is NGC 3077, but not sure.otherwise beautiful photo !!
Nice image! Siril has a script to label the object in an image, it should recognize it and give you the name (“galaxy annotations”)