What is the visual magnitude if a small flashlight close pointing into your eye?

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1193073

2026-02-13 00:35

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The visual magnitude of a small flashlight pointed directly into your eye can be extremely high, potentially exceeding +8 or +9. However, it's important to note that visual magnitude is typically used for celestial objects, and the intensity from a flashlight can cause discomfort or damage to the eye. The brightness perceived can vary based on the flashlight's output (lumens) and distance from the eye. In practical terms, the light from a close flashlight can be blinding, making standard astronomical measures less applicable.

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