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Telescope FOV

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NASA

Mar 28, 2017
Image Article
This drawing superimposed on an image of the moon illustrates the field of view of a telescope used to observe impact flashes.
This drawing superimposed on an image of the moon illustrates the field of view (FOV) of a telescope used to observe impact flashes.

This drawing superimposed on an image of the moon illustrates the field of view (FOV) of a telescope used to observe impact flashes. Observations of the moon are performed when the solar illumination is between 10 and 55 percent, yielding 10-12 observing nights per month. (NASA)