Applying for Observing Time

How to apply for time at the CHARA Array.


Planning an Observation

How to select baselines, calibrators, and other details necessary for planning observations.


Logistics of Observing

How to request a room on the mountain. Where to send details of observations and configuration request. Links to instrument manuals.


Observing Schedule

Current observing schedule at the CHARA Array.


Data Reduction Software

Information about data reduction.


Data Analysis Software

Information about data analysis software.

Data Policy and Access

Information about CHARA's data policy and how to access archival data.


When submitting publications based upon CHARA data or support, please use the following guidelines for proper acknowledgement.



Weather information for Mount Wilson Observatory.