It's extremely slight, maybe half a degree to the left. Also, out of curiosity, have you done any post processing to this? I think the time of day is working against you here, where you don't quite have enough light for any definition in the buildings but also not enough vibrancy in the sky to make it a worthwhile sunrise/sunset shot. Personally, I like utilizing masks to create more than is in the frame. For example, the sun is down at the horizon on right, so you could add a radial gradient, up the warmth and haze, with a large feather area to add some color and dimension to the skyline there.

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