since no change from ESO side occurred since the last Call for Proposal. See here the latest dedicated informations.

ESO - Period 118: May 1, 2027- April 30, 2028. Deadline for proposals: Tuesday 22 September 2026, 12:00 noon CEST

Assistance
As a VLTI Expertise Center, the JMMC can offer support for observation preparation, as well as for the data reduction and analysis. Please use the User Support Helpdesk.

CHARA 2027A semester: March 1- July 31, 2027 (45 nights of community access time). Deadline for proposals: Wednesday, September 30, 2026 at 11:59 pm Mountain Standard Time (MST). Five additional nights will be reserved for a new snapshot imaging program that is open to the community. All information is here.

Assistance
Cyprien Lanthermann (clanthermann gsu.edu) as CHARA Visitor Support Scientist and Jeremy Jones (jjones176 gsu.edu) as CHARA Data Scientist are available to assist new observers with selecting instruments, planning observations, and collecting, and reducing data. A special Webex Meeting on Wednesday, September 16, 6pm CE is organized to answer your questions about the best observing strategy or preparing a proposal - registration requested - . For the French astronomical community, another contact: Denis Mourard (denis.mourard oca.eu) for any information, eligibility questions, or assistance you may need.

Updated on 10 September 2026