First light (astronomy)

First light image from the Kepler space telescope[1]
First light image from the Kepler space telescope[1]

In astronomy, first light is the first use of a telescope (or, in general, a new instrument) to take an astronomical image after it has been constructed. This is often not the first viewing using the telescope; optical tests will probably have been performed to adjust the components.

  1. ^ Atkinson, Nancy (16 April 2009). "Kepler's "First Light" Images". Universe Today. Retrieved 2012-10-13.