Contact the STScI Help Desk at 410-338-1082, 1-800-544-8125 (toll free U.S. number), or help@stsci.edu if you need assistance with any aspect of proposing for and using HST.
Call for Proposals:
Additional Information
Instrument Handbooks
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Owner: Brett S. Blacker
Technical Questions: HST Help Desk
Last updated: August 20, 1999 by Brett S. Blacker