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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.

Acknowledgments

We would like to thank the HPOL project for their help in creating the MAST HPOL archive, especially Marilyn Meade from the University of Wisconsin who was our main contact with the HPOL (and WUPPE) project for the past several years.

Comments about the HPOL archive or MAST in general should be sent to archive@stsci.edu.