Registration/enrollment is open for the 2026 AAVSO CHOICE course “Advanced Use of AstroImageJ for Exoplanet Observing” (CHOICE Course Descriptions | aavso). The course runs Feb 9 - Mar 16 and is taught by Dennis Conti. Please note that a working knowledge of AstroImageJ is a pre-requisite for the course. To read about the course, go here. To register/enroll (purchase the course), go here. Registration closes February 8.