The Planetary Data System (PDS) is pleased to announce Release 54 of Mars Exploration Rover data.  This release includes data primarily from Sols 4681 through 4770, rover Opportunity (MER1/B), instruments:

APXS
Atmospheric Opacity
HAZCAM
MI
NAVCAM
PANCAM
RAT
Rover Motion Counter
SPICE

There is no Radio Science data in this release, and no more Mini-TES or Moessbauer data is expected.

To access the above data, please visit the following link:
https://pds.nasa.gov/tools/subscription_service/SS-20171221.shtml

The following special services are provided for accessing MER data:
MER Analyst’s Notebook:
http://an.rsl.wustl.edu/mer

Planetary Image Atlas:
https://pds-imaging.jpl.nasa.gov/search/mer-opportunity