Event
solar activity from May 1823 to November 1833
Solar cycle 7 was the seventh solar cycle since 1755, when extensive recording of solar sunspot activity began. The solar cycle lasted 10.5 years, beginning in May 1823 and ending in November 1833 (thus overlapping the Dalton Minimum). The maximum smoothed sunspot number observed during the solar cycle was 119.2 (November 1829), and the starting minimum was 0.2.
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Text from the Wikipedia article “Solar cycle 7”, available under CC BY-SA 4.0.
Solar cycle 7 was the seventh solar cycle since 1755, when extensive recording of solar sunspot activity began. The solar cycle lasted 10.5 years, beginning in May 1823 and ending in November 1833 (thus overlapping the Dalton Minimum). The maximum smoothed sunspot number observed during the solar cycle was 119.2 (November 1829), and the starting minimum was 0.2.
Text from the Wikipedia article “Solar cycle 7”, available under CC BY-SA 4.0.