Thanks for trying to help!
Unfortunately, I can't make an unambiguous conclusion about the reason for this strange behavior, since over the past year I have changed both the operating system and shooting software. Even ASI178 isn't quite familiar to me (my main camera is ASI071MC). But by some indirect signs, I can conclude that the reason could be connected with ASI INDI driver (Some of my friends have also experienced similar behavior).
Anyway, next time I'll try to make frames with Ekos and with ASIImg as you suggested.

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