https://esahubble.org/about/history/acs_repair/
Repair of Advanced Camera for Surveys | ESA/Hubble | ESA/Hubble
advanced camera for surveysrepairesahubble
https://www.stsci.edu/hst/instrumentation/acs
Advanced Camera for Surveys | STScI
The Advanced Camera for Surveys (ACS) is a third-generation Hubble Space Telescope (HST) instrument installed during HST Servicing Mission 3B.
advanced camera for surveys