Zoomed-in view of image from Hubble Space Telescope Wide Field Camera 3, also known as HST/WFC3 (PID 11502, PI Keith S. Noll) showing regions a and b from Fig. 5. The red circles and labels are defined as in Fig. 5. White circles show the location of the 15 extra Hα emitter regions presented in Table A.1. Green and yellow labels identify the SQ Hα regions showing a broad and narrow line profile, respectively.