AT 2025mka / AT 2018ltl is a cataclysmic binary, at same coordinates 16 23 14.39 +65 00 36.8
See AT 2018ltl in Simbad
I observed it this night in the Gaia bands, here is the G band screenshot
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