中的120度幻日]]
120度幻日是一種很少見的暈，常伴隨特別明亮的幻日出現，當時的大氣層的卷雲中會充滿冰晶。得名自現象發生時幻日周圍成對的±120°幻日環。
120度幻日是光線六角形冰晶上經過至少兩次反射的產物，會在幻日環上形成明亮的藍白色光點。實際上因為會和雲相混淆，所以其可觀測到的顏色十分模糊。
参考文献
外部連結
- [http://photos1.blogger.com/blogger/1639/2131/1600/Popek_120.jpg A photo of a 120° parhelion in the Czech Republic in October 2006]
- [http://www.halo.astronomie.cz/galerie/120parh/010.jpg A photo by Joni Tornambe, 2006]
- [http://englishrussia.com/2007/02/25/four-suns-in-russia/ A video from Russia featuring both 120° parhelia, as well as the classic sundogs and parhelic circle, 2007]
- [http://www.youtube.com/watch?v=eIlNE1uzJRM A similar video from Kazakhstan with very bright 120° parhelia, 2007]
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