Since August 2003, the Vector Spectromagnetograph (VSM) instrument has recorded full-disk photospheric and chromospheric magnetograms along with He I 1083 nm spectroheliograms daily as part of the Synoptic Optical Long-term Investigations of the Sun …
SOLIS (Synoptic Optical Long-term Investigations of the Sun) is a project to replace antiquated synoptic observing equipment at the National Solar Observatory. SOLIS includes a suite of three instruments on an equatorial mount originally installed at …
High-resolution studies of the Sun's magnetic fields are needed for a better understanding of solar magnetic fields and the fundamental processes responsible for solar variability. The generation of magnetic fields through dynamo processes, the …