# AT 2025mka is AT 2018ltl

**URL:** <https://forum.astro-colibri.science/t/at-2025mka-is-at-2018ltl/396>\
**Category:** Latest transients\
**Tags:** astro-colibri\
**Created:** [May 30, 2025, 2:53pm UTC](https://forum.astro-colibri.science/t/at-2025mka-is-at-2018ltl/396 "2025-05-30T14:53:54Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jean-baptiste.marque](https://avatars.discourse-cdn.com/v4/letter/j/e47c2d/32.png) [@jean-baptiste.marque](https://forum.astro-colibri.science/u/jean-baptiste.marque)\
**Post date:** [May 30, 2025, 2:53pm UTC](https://forum.astro-colibri.science/t/at-2025mka-is-at-2018ltl/396/1 "2025-05-30T14:53:54Z")

</div>

AT 2025mka / AT 2018ltl is a cataclysmic binary, at same coordinates 16 23 14.39 +65 00 36.8  
See [AT 2018ltl](https://simbad.cds.unistra.fr/simbad/sim-id?Ident=%4016012274&Name=AT%202018ltl&submit=submit) in Simbad  
I observed it this night in the Gaia bands, here is the G band screenshot

 ![image](https://canada1.discourse-cdn.com/flex007/uploads/astro_colibri/original/1X/c6512c9a3fa854dbd31a1a0738b2fe39b4f3cd34.jpeg)  
Stacked image in Siril, total exposure time 4200 s starting at DATE-OBS= 2025-05-30T00:52:42.971000  
Calibrated data likely within a few days  
Clear skies,  
JB Marquette