parhelion       
noun [ C ]  environment specialized uk/pɑːˈhiː.li.ən/ us/pɑːrˈhiː.li.ən/  parhelia /pɑːˈhiː.li.ə/ /pɑːrˈhiː.li.ə/
 幻日
a bright spot that appears in the sky on either side of the sun, caused by the refraction (= bending) of light through ice crystals in high cloud
  Parhelia usually appear as two bright spots either side of the sun at about 22°. 幻日通常是在太阳两侧22 ° 处出现的两个亮点。 
 Look at this incredible image of a parhelion. 看看这张令人难以置信的幻日照片。 
 Synonym: sundog
 - More examples
- The landscape occasionally gives up breathtaking distractions, including parhelia - solar halos.
- Parhelia are actually rather well-known phenomena.