Editing Subaru Telescope (section)

===Mishap in 2011===
On July 2, 2011, the telescope operator in Hilo noted an anomaly from the top unit of the telescope.<ref>{{Cite news|url=https://www.universetoday.com/87245/subaru-8-meter-telescope-damaged-by-leaking-coolant/|title=SUBARU 8-METER TELESCOPE DAMAGED BY LEAKING COOLANT|last=Atkinson|first=Nancy|date=December 24, 2015|work=Universe Today|access-date=April 10, 2017|archive-date=April 11, 2017|archive-url=https://web.archive.org/web/20170411054946/https://www.universetoday.com/87245/subaru-8-meter-telescope-damaged-by-leaking-coolant/|url-status=live}}</ref> Upon further examination, coolant from the top unit was found to have leaked over the primary mirror and other parts of the telescope.<ref>{{cite web|url=http://subarutelescope.org/Announce/2011/07/04/report1.html |title=Serious Hardware Incident with the Subaru Telescope Interrupts Its Operation |publisher=web-subarutelescope.org/ |access-date=July 5, 2011}}</ref>
Observation using Nasmyth foci resumed on July 22, and Cassegrain focus resumed on August 26.<ref>{{cite web |url=http://subarutelescope.org/Announce/2011/07/04/report4.html |title=Report 4: Resumption of Open Use Observations at Cassegrain Focus |date=September 13, 2011 |author=National Astronomical Observatory of Japan |access-date=September 23, 2011 |archive-date=July 16, 2012 |archive-url=https://archive.today/20120716152724/http://subarutelescope.org/Announce/2011/07/04/report4.html |url-status=live }}</ref>