HST Phase II Support

Main Phase II Resources

• 17 June: Updated Information for Phase 2 Proposal Development
• HST Cycle 17 Phase II instructions:
  GO Version
  
• Astronomer's Proposal Tool (APT) for Phase II preparations
• WFC3 Instrument Handbook
• Duplication Checking
  To check for duplications among the observations that you wish to propose, please use the tools and links on the MAST Web Page. Use one of the following three options:
  HST Duplication Checking Web Form
  Starview
  Planned and Archived Exposures Catalog

Other Useful Links

• Software Planning and Data Analysis Tools
• Instrument Science Reports
• Exposure Time Calculators
• The HST Dither Handbook
• MultiDrizzle