Hst Operations
Hubble Space Telescope operations comprise (1) science operations and (2) mission operations. Science operations plan and conduct the HST science program—observing celestial objects and gathering data. Mission operations command and control HST to implement the observation schedule and maintain the Telescope's overall performance.
These two types of operations often coincide and interact. For example, a science instrument may observe a star and calibrate incoming wavelengths against standards developed during scien tific verification. Mission operations monitor observations to ensure that Telescope subsystems have functioned correctly.
The HST ground system carries out day-to-day mission operations. This system consists of the Space Telescope Operations Control Center (STOCC) and other facilities at the Space Telescope Science Institute (STScI) in Baltimore, Maryland, and the Packet Processing Facility (PACOR) and other institutional facilities at Goddard Space Flight Center (GSFC) in Greenbelt, Maryland. A second STOCC at GSFC conducts the Servicing Missions.
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