Visibility IV / V
On the day of the crossing, Turku had great observation and shooting weather. My companion and I agreed that he would show the passage to those interested (everyone who came to the scene wanted to look into the telescope) and I would shoot. I took a series of pictures every 20 minutes and a few more, Kuta's series Mercury's print in front of the Sun. In Turku, the overpass was completely visible in theory, but in practice Mercury disappeared into thermal vibration a few minutes before the end of the overpass, as the Sun was below one degree. Combining a series of images turned out to be more difficult than I had thought, but I got the result below. The Sun's disk also had to be connected from two images, because the angle of view of my telescope was not enough to fit the whole Sun into the image at once.
"Magic Day," my comrade said after the passage ended.
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