reseau
- noun
- /rɛˈzoʊ/
- Specialized
- The astronomer overlaid a reseau on the photographic plate to improve measurement accuracy.
Examples
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Specially designed reseaux are essential for mapping star positions precisely.
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Before digital imaging, scientists used a glass reseau for calibrating film-based observations.
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The reseau is crucial for measuring celestial distances.
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A reseau can help in determining distances in astrophotography.
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The astronomer overlaid a reseau on the photographic plate to improve measurement accuracy.
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Before digital imaging, scientists used a glass reseau for calibrating film-based observations.
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A reseau can help in determining distances in astrophotography.
Synonyms
A pattern of fine lines or dots in an eyepiece that helps you aim and measure
A set of fine lines in an eyepiece that help aim and measure
A grid of fine lines placed over an image to help measure or align it
A set of small lines or crosshairs in an instrument's eyepiece that helps you measure and aim
How Precise
Surface Forms
Etymology
Reseau comes from French and means 'net' or 'network', so think of a fine grid or net of lines used as a measuring guide on glass. That's why astronomers called their reference grid a reseau when they needed exact positions for stars.