The UCSD All-Sky Heliospheric Imager,
(ASHI), provides the capability of studying
3-dimensional structures in the Solar
corona. Coronal mass ejections (CMEs)
generated near the Sun are observed, and
their propagation is tracked through the
interplanetary medium to Earth.




Portable vacuum chamber with complete
ASHI instrument prototype including
attached CCD camera. CASS/UCSD