Event Horizon Telescope - It's the final observing night! The APEX telescope in Chile just joined our last observations of M87* for #EHT2022 Photo by Andreas Lundgren | Facebook
Courses in Astrophotography
APEX, the Atacama Pathfinder Experiment, on Chajnantor | ESO
PDF] First 1.3 THz Observations at the APEX Telescope | Semantic Scholar