Keep repeating steps 4 to 7 until the star does not drift up or down for at least 5 minutes.
The sky was clear, the stars drifted across the hours; but there was no moon this night.
A single star drifted through the unfathomable blackness above it.
Sometimes a star would drift behind the rings, losing only a little of its brilliancy as it did so.
The stars rolled up one side, scrambled themselves, and drifted back down the other.
The star pulled itself slowly from the stone and drifted toward the door to the apartment.
On the forward observation deck of his private space yacht, he stood watching the stars drift across the empty gulf.
There was no sense of change or motion, but suddenly he noticed that the stars were drifting across the screen.
The star was drifting level with Michael's hands and only a step or so beyond.
He let it stretch, while the stars drifted slowly past his head.