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Downtime
STScI will be performing network upgrades on the following dates:
  • Sat 8 May 2021, 7:00 AM - 4:00 PM EDT (11:00 - 20:00 UTC)
  • Sun 9 May 2021, 7:00 AM - 4:00 PM EDT (11:00 - 20:00 UTC)
Services may be unavailable or interrupted during these times.

HPOL Documents

Obtaining HPOL Data
How to download HPOL FITS files.

Reading HPOL Data
How to read the HPOL FITS files.

HPOL Data Products
Summary of various HPOL data products.