On Saturday, July 27, from 11:00 to 21:00 UTC (7 am to 5 pm US Eastern Time), all MAST services will be unavailable due to maintenance.
Acknowledgments
The MAST staff would like to thank the
IUE Project staff at Goddard Space Flight Center
and the National Space Science Data Center staff members
for extensive help in acquiring the IUE data,
documentation, and web pages.