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Updated Phase I Documentation for Cycle 17

Proposers should assume that HST will operate in three-gyro mode in Cycle 17. HST has been operating in two-gyro mode since 29 August 2005.

Phase I Proposal Preparation

Instrument Handbooks

User Information Reports

Shortcuts

Call for Proposals
HST Primer
Phase II Instructions
APT
COS GTO
WFC3 ERS
HST Documents

Special Opportunities

Special Opportunities


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