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The aperture of a telescope required to observe nth-magnitude stars

Author: keisanauto0724Executions: 2068
TOP/Shared Formulas (Science)/Astronomy

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This calculator determines the required telescope aperture (in mm) to observe nth-magnitude stars. Please use this as a reference for selecting a telescope, as aperture is a key factor.
Visual Grade (Half-width)
Equal Stars
Required Telescope Aperture mm

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