What strategy is suggested for observers keen on spotting blue flashes caused by magnesium excitation?

Answer

Watching during major meteor showers known for fast-moving debris.

The best chance to observe the bright blue or cyan flash caused by magnesium excitation occurs when watching during major meteor showers that feature fast-moving debris, such as the Perseids or Leonids.

What strategy is suggested for observers keen on spotting blue flashes caused by magnesium excitation?
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