Phase I Support

HST Phase I proposal information:

• Proposal deadlines
• Call for Proposals
• HST Primer
• Proposal forms
• Proposal instructions
• Additional information

Check target availability:

• Duplication policy
• Duplication checking tool

Base orbit requests on:

• Exposure times from the Exposure Time Calculators
• Exposure overheads for visits and exposures

• APT software, as in Phase II