The Cassini Imaging Science Subsystem (ISS) consists of two cameras, narrow- angle and wide-angle. Each obtains fine-resolution monochromatic images between blue and near-infrared wavelengths.
Cassini ISS Calibration Software Update. (View a table of all CISSCAL release dates)
- November 2019. CISSCAL updated to version 4.1
- These updates are contained in the revised COISS_0011 volume (version 4.3).
- Download the .tar.gz bundle.
- Changes from version 3.9.1 include:
- Improved logic in option file reader and cisscal_cl.pro
- Changed formatting of bitweight files to ease parsing
- Added logic to handle bias/2-hz noise removal for TABLE images of various gain states
- Improved CISSCAL_Log formatting
- Updates to polarized filter algorithm in make_polar_image.pro (see make_polar_image_readme.txt)
- A final polarizer correction.
Cassini ISS Data User Guide Update.
- September 2018. An updated version of the ISS User Guide is available.
- Changes from previous versions include:
- Completed the description of how to use CISSCAL making this version, and any subsequent versions, of the ISS User Guide the definitive source for how to use CISSCAL.
- ISS Distortion. Provides an alternate Distortion Model for Cassini ISS.
If you are unfamiliar with scientific image formats, consider taking Emily Lakdawalla’s free on-line course, Basics of Digital Imaging.
The ISS Tabs
The tabs associated with this page describe the ISS data files and how to obtain and use them.
- About ISS Data - Discussion of the organization of the archive and links to key documents.
- Finding Data - Suggestions on how to search the archive for specific data.
- Accessing Data - Links to the data volumes.
- ISS Calibration - Links to the calibration volumes.
- ISS Software - Discussion of, and links to, available ISS calibration, image analysis, and image viewing software.