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We studied the light curve of the star CD-36 3202, observed by TESS for thepresence of stellar spots and to analyze the rotationally modulated flare. Wemainly wanted to model the light curve of this flare and estimate its locationregarding stellar spots. The flare lasted approximately 27$\,$h. Using our toolnew \texttt{findinc\_mc} we managed to estimate the inclination angle of thestar to $70^\circ\pm8^\circ$. With \texttt{BASSMAN} we modeled the light curveof the CD-36 3202 and we estimated that three spots are present on the surfaceof this star. The mean temperature of the spots was about $4000\pm 765\,$K, andthe total spottedness was on average $11.61\%\pm0.13\,$\%. We created a newtool named \texttt{MFUEA} to model rotationally modulated flares. Using thissoftware we estimated the latitude of the flare long-duration event equal to$69^{+2}_{-1}\,$deg in latitude. Our estimation of the flare's location was thefirst recreation of the exact position of a flare compared with the spots. Theflare is placed 12$^\circ$ from the center of the coolest spot. This makes theflare related to the magnetic processes above the active region represented bythe spot. Removing the effects of rotational modulation from the flare lightcurve allowed us to correct the estimation of bolometric energy released duringthe event from $(1.15\pm 0.35)\times 10^{35}\,$erg to $(3.99\pm 1.22)\times10^{35}\,$erg.

Unveiling the spectacular over 24-hour flare of star CD-36 3202