2017 OPT Imaging Award, Solar System; 3rd place
Stan Rosenberg, Greensboro (NC) Astronomy Club
Details: Minor solar flare emanating next to a sunspot, April 4, 2016.
Coronado 140 mm double stack HA filter, Lunt monochrome CCD camera
Single exposure, 3/1000 sec, colorized and contrast enhanced, sharpened in camera program.