While examining images of star TCP J20225930+5239030 on date 2019-07-10 00:55:28 UT, we located a flare star at RA 20:21:45.6 Dec +52:47:35.
A series of 20 images were made that night and the flare appears only in frame 3. The faint (> mag 16) star is visible in all of the images.
Searching images of the same area taken on other nights, does not reveal any additional flares.
Edge 11 SCT with 0.7x reducer, QHY9S CCD camera 30sec