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Proposals for the 2018B observing semester are due September 14, 2017.

Click here for information on this proposal call.

NASA Keck Single-Aperture Operations

NExScI administers NASA's portion of the time on the Keck Telescopes, issuing the twice yearly proposal solicitations, conducting the peer review, and finalizing selections.

The Keck Telescopes are operated for the California Association for Research in Astronomy (CARA), the University of Hawaii (UH), NASA and the California Institute of Technology by the W. M. Keck Observatory in Waimea, Hawaii. The Keck telescopes are two 10-meter aperture telescopes whose primary mirrors are each composed of thirty-six 2 meter mirror segments.

Remote Observing

Remote observing facilities (ROFs) at Caltech, Yale, and USRA (Columbia, MD) are available for use by NASA Keck time awardees. Scientists wishing to use the ROFs should start the approval process 5 weeks in advance of their scheduled observations.

Keck Observatory Archive

NExScI and WMKO have developed the Keck Observatory Archive (KOA) an archiving and access system for all Keck instruments.

Management and Operations Working Group (MOWG)

NExScI facilitates the NASA Keck Management and Operations Working Group (MOWG). The MOWG reviews all aspects of the operations of the facility, including budgets, observing proposal review, visitor support, telescope performance, maintenance, instrumentation, operational procedures, scientific results, and future plans. The group meets twice a year and reports to NASA Headquarters. Current membership of the NASA Keck MOWG can be found here.