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W. M. Keck Observatory: Revision history


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  • curprev 16:5816:58, 11 April 2024Skycattmll talk contribsm 17,205 bytes −392 This mixes with the effective collecting area (which counts the light blocked by the second mirror M2 and its mounting, and aperture loss when enter the central mirror), and the collecting area (which is the enclosed area of the M1, subtracted with the area of the central mirror). undo

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