Another one from the Texas Coast last week. Went with 1.6 crop (versus standard 1.5) to achieve a slightly more elongated frame.
Canon 600mm f/4 IS II + 1.4x III on EOS 1DX2
1/2500 at f/5.6, ISO 640, manual, handheld
Processed in Lightroom with standard sliders (so no trickery)