Global Oscillation Network Group (GONG) Quick-Reduce Outputs (oQR)
Originally constructed in 1995, the Global Oscillation Network Group (GONG) is a network of six identical ground-based solar telescopes distributed around the Earth in order to obtain continuous observations of the Sun.  Those sites are located in Big Bear, California (BB); Mauna Loa, Hawaii (ML); Learmonth, Australia …