The Harvard Center for Biological Imaging maintains a list of microscopy courses:
External Microscopy Courses
The Annual Advanced Imaging Methods Workshop
Hosted by UC Berkeley
Late January
For more information, please go to the course webpage:
Advanced Imaging Workshop
Also please check out the Brigham Health NeuroTechnology Studio page:
Dr. Lai Ding's "Introduction to Digital Image Analysis with ImageJ Webinar Series" is great introduction to using ImageJ for image manipulation and analysis
ImageJ Webinar Series