#solar_cycle_1
Solar cycle 1
Solar activity from February 1755 to June 1766
Solar cycle 1 was the first solar cycle during which extensive recording of solar sunspot activity took place. The solar cycle lasted 11.3 years, beginning in February 1755 and ending in June 1766. The maximum smoothed sunspot number observed during the solar cycle was 144.1, and the starting minimum was 14.0.
Thu 22nd
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