|Total EVA time:||58h 30m|
|No.||Date||Together with||Time||Main tasks and notes|
|1||22.12.1999||S. Smith||8h 15m||
HST-SM-03, replace gyroscopes
|2||24.12.1999||S. Smith||8h 08m||
HST-SM-03, replace data recorder
|3||04.03.2002||R. Linnehan||7h 01m||
Installing a new generation solar array on the starboard side of the HST
|4||06.03.2002||R. Linnehan||6h 48m||
Replaceing the Power Control Unit (PCU), the "electrical heart" of the HST
|5||08.03.2002||R. Linnehan||7h 20m||
Installing the experimental cooling system (Cryo Cooler), replacing the solid nitrogen cooler of NICMOS
|6||14.05.2009||A. Feustel||7h 20m||
Replacing a wide field camera. They also swapped out three batteries and installed a mechanism for a spacecraft to capture for de-orbit at the end of the telescope's life.
|7||16.05.2009||A. Feustel||6h 36m||
Installing the Cosmic Origins Spectrograph, a device that will perform spectroscopy, the science of breaking up light into its individual components. The astronauts also conducted repairs to the Advanced Camera for Surveys, which has experienced power failures, causing two of the telescope's three observing channels to stop operating.
|8||18.05.2009||A. Feustel||7h 02m||
Replacing a sensor needed for pointing the telescope and install another blanket on Hubble's exterior.