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The coronagraphic instrument currently proposed for the WFIRST-AFTA missionwill be the first example of a space-based coronagraph optimized for extremelyhigh contrasts that are required for the direct imaging of exoplanetsreflecting the light of their host star. While the design of this instrument isstill in progress, this early stage of development is a particularly beneficialtime to consider the operation of such an instrument. In this paper, we reviewcurrent or planned operations on the Hubble Space Telescope (HST) and the JamesWebb Space Telescope (JWST) with a focus on which operational aspects will haverelevance to the planned WFIRST-AFTA coronagraphic instrument. We identify fivekey aspects of operations that will require attention: 1) detector health andevolution, 2) wavefront control, 3) observing strategies/post-processing, 4)astrometric precision/target acquisition, and 5) polarimetry. We makesuggestions on a path forward for each of these items.

WFIRST-AFTA Coronagraphic Operations: Lessons Learned from the Hubble Space Telescope and the James Webb Space Telescope