MANUALS
What processing was performed upon the data before archiving? Data Processing Handbook
Where and how are the data stored? Archive Manual
What is the quality of Kepler data? Data Characteristics Handbook
What are the specific systematics to watch out for in my data? Data Release Notes
HERE
DATA PRODUCTS
What data are available to me in the archive? Full Frame Images Target Pixel Files Light Curves Auxiliary Data Collateral Data
DATA INSPECTION TOOLS
How can I inspect and get familiar with my data? DS9 TOPCAT FV
DATA REDUCTION TOOLS
Can I re-extract my light curve and mitigate systematic artifacts further? PyKE
Are there some examples and use cases? Kinemuchi et al. (2012), in prep.