TDCC Laboratory




(1)    In August of 1990, we encountered the phenomenon of parhelion in the evening at Naka city, Ibaraki prefecture in Japan.   It couldn't be judged in an instant which was the true sun.

(If clicked, you can see by expansion.)
Parhelion   in Naka, Ibaraki in JAPANin August of 1990

(If clicked, you can see by expansion.)
After several tens of seconds from the above, parhelion has faded phantom.
This figure is close to the color of reality than the left.

(2)    Although it wasn't clear, the following parhelion was seen in Hitachinaka city, Ibaraki prefecture in Japan at 17:57 in May 25th (Wed.) in 2011.

(If clicked, you can see by expansion.)
at 17:57
at 17:59
Parhelion   in Hitachinaka, Ibaraki in JAPANin May 25th (Wed.), 2011

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Updated: 2008.02.12, edited by N. Yamamoto.
Revised on Apr. 14, 2012, June 23, 2012, Mar. 16, 2015, Jul. 24, 2016, May 04, 2020, Feb. 03, 2021, May 09, 2021 and Mar. 31, 2022.