Observatory Support
News and Advisories
Pointing
CDBS
Focus
Reports
Frequently Asked Questions
User Support
Pointing Information and Science Instrument Aperture Locations
Current operational SI aperture relations in the HST focal plane; positions, scales, orientations.
Information on SIAF file updates.
Discussion and interpretation of observation log or `jitter' files, attitude algorithms, and advice for analyzing pointing.
Plotting tool giving HST roll to put a given aperture at a given position and orientation on the sky.
(Under Construction)
Calibration Operations and Data
Calibration data from pre-launch to present.
Spectra of HST standards and astronomical databases.
Special CDBS data used for the throughput simulators and Exposure Time Calculators.
Focus and the OTA
Desorption and secondary mirror move history.
Orbital and longer term focus variation.
Determining focus.
Instruments
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STScI
Questions? Send e-mail to
help@stsci.edu
22 Apr 1998
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