UFO. Russia

The electromechanic Deryabin writes to the Commission on AI:

...

Often, in the night sky above the city, you can see fast-flying dim spots. Many people mistake them for UFOs, although in fact they are just birds illuminated from below by the lights of the city. They made a strong impression on me at the time. However, I quickly figured out what was going on and stopped paying attention to them.

One August night, again in 1966, pointing my telescope at the constellation Lyra, near the zenith I saw faintly glowing spots moving rapidly among the stars. For some reason, I stared at them and was stunned. They were clearly not birds. In a northeasterly direction, at a speed of about 10 degrees per second, 5 round spots, reddish-luminous with condensation in the center, but with clearly defined edges, were rapidly rushing. they clearly held the formation in a wedge and in a few seconds disappeared over the horizon.

The objects differed from birds in the following ways:

Smooth and rectilinear movement with a completely unchanged relative position in the formation

Clear outlines of objects at the edges, which is never observed in birds as a result of the fact that they flap their wings.

A red glow in the center of each spot. The apparent brightness of each object slightly exceeded the brightness of a large bird illuminated from below.

The dimensions of each object are from 1/4 to 1-3 degrees.