As of April 13, 2015 the archive is now using the STScI Single Sign-On (SSO) identity manager.
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Alternative Retrieval Method for Kepler Data and Catalogs
Kepler data may be retrieved without submitting a batch request. Both lightcurve and target pixel files are online and stored in two directory trees.
For the browser paths below KKKKKKKKK is the KIC ID and XXXX is the first 4 digits of the KIC ID including the initial zeros.
The lightcurve files are also stored in gzipped tarfiles available through anonymous ftp or through the browser.
Each tarfile contains all the public data for a quarter. The lightcurve data create a very large tarfile (~40-47 GB holding > 80 GB of data) and the size of the target_pixel_files would be too large for most people to download.
As of October 30, 2012 there are tarfiles of public data for Quarters 0-13.
See the README file for information about each individual tarfile.
There are also some tarfiles for easily identified subsets of lightcurves (KOIs, Red Giants, Eclipsing Binaries).
Create your own customized WGET scripts from the Kepler data search page
by choosing the output format FILE: WGET LC commands or FILE: WGET TPF commands. These options create a wget script file for use in downloading the public data returned from your search.