December 21 has been special for centuries, make that millennia, and has had a number of names. Well now, Nerds around the world think of Dec. 21 as solar can day, the optimum day to set up your super long exposure pinhole camera. Our son, Richard gave us a bunch of them and Kevin Baker helped me mount two at the TWR transmitter site this morning. One is facing South like most Solarcan users do, and the second one is facing West.The shutters are open and we'll leave them in place for a number of months, maybe all the way till the other Solarcan day, June 21.
Today, the Sun will set at the extreme left side of the top picture. On June 21, it will set over the white building near the right side of the horizon in that picture.
You can read amore bout the clever Solarcan device here.
Below is a shot of the South facing can in place.
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