close up from Michael Myers'
sunset sequence at
An inverted image
of the sun's lower limb is rising out of the waves.
The 'stem' where the two images meet is noticeable reddened.
This is sometimes called a red flash and
is produces in the same way as the I-Mir green
sometimes occurs later in these sunsets. The lower
limb of the sun has a red rim and the region where the
two images of this limb meet is highly magnified in the
vertical direction. The result - a reddened stem or red
Andrew Young's simulation animation of a red flash is here.
The spikes on the 'horizon' are the fluttery edge of the
mirage rather than waves.
Image ©Michael Myers, shown with permission.