Solar eclipse at Novosibirsk, Russia. The second diamond ring shortly after the end of totality. The photo is overexposed by mistake, therefore, fine details like the solar prominences are lost.
Canon EOS DIGITAL REBEL XTi, Bresser skylux 70mm, 01/08/2008 17:47 UT+7, Shutter Speed 1/400, Aperture Value 10.0, ISO Speed 200