Beginning at 8:00 Saturday, January 24, 2026 PST CANFAR and CADC services may experience temporary outages or interruptions due to planned maintenance. The maintenance window will last at least 24 hours, ending Sunday, January 25 PST.

Documentation

Documentation for the CADC services. For interactive Archive Users access to our service consult Web UI section, for prgramatic interactions please consult the Web API section. Data providers, such as telescopes, should consult the Data Provider section of our documentation pages. Please report any errors or ommisions to CADC Support.

The CADC uses digital markers (cookies) on portions of their websites

During your on-line visit, your browser exchanges data with CADC's web servers. You may adjust your browser to reject digital markers, including cookies, if you so choose. However, this will restrict the features of CADC websites that your browser can utilize.

Date modified:: 2022-07-08

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The CADC uses digital markers (cookies) on portions of their websites