Your color vision (cone cells) will adapt to darkness in about 10 minutes, but your more sensitive night vision rod cells will continue to improve for an hour or more (with most of the improvement in the first 35 to 45 minutes). Since some meteors are faint, you will tend to see more meteors from the "corner of your eye" (which is why you need to view a large part of the sky). Your color-sensing cone cells are concentrated near the center of your view with more of the rod cells on the edge of your view. The rod cells in your eyes are more sensitive to low light levels but play little role in color vision. Be sure to give your eyes plenty of time to adapt to the dark. Ideal viewing conditions would be if the weather cooperates by being clear with no clouds or hazes, you look after Lyra rises (a little before midnight) but before any glow of dawn begins to interfere, you go to a place far from any light sources or urban light pollution, and you have a clear view of a wide expanse of the sky.
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