WFC3 IR superdark u4819493i_drk.fits for a 256 subarray at NSAMP 5 in SPARS10 mode covering 29.6 s. The frame is scaled between −10 and 5 electrons per pixel. The mean is −1.65, the median is −3.37, the minimum is −14.3, and the maximum is 14,000 electrons per pixel. This includes any bad pixels (cold and hot).