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STScI’s Internet connections will be UNAVAILABLE Sunday, November 18, 2018 from 5:00 AM to 9:00 AM. We apologize for the inconvenience.


We would like to thank the EPOCh project for their help in creating the MAST EPOCh archive, especially Stephanie McLaughlin who was our main contact with the EPOCh project for the past few years.

Comments about the EPOCh archive or MAST in general should be sent to