2020-07-30 - Rochester, NY - Circle

Black circular object floating very high in the sky, flashing white light before disappearing

Two of us were sitting in a backyard. The sky had large white/gray clouds that were passing by close to the sun, but there were large patches of blue sky, too. We saw a circular black object that was extremely high up in the air- too high to be a drone or a bird, and seemed to be above the level of where planes fly, too. It glided across the sky towards the east, but then started gliding towards the west, where the large clouds were. It did not go into the clouds. It glided slowly, and then as it was getting to a gray area of a large cloud that covered the sun, it flashed bright white light three times, and then went into the cloud. When the cloud passed over the sun, the black circular object was nowhere to be seen. We watched this object for approximately 30 minutes.