Solar cycle 7 explained

Cycle Num:7
Start Date:May 1823
End Date:November 1833
Duration:10.5
Max Count:119.2
Max Count Date:November 1829
Min Count:0.2
Prev Name:Solar cycle 6
Prev Dates:1810–1823
Next Name:Solar cycle 8
Next Dates:1833–1843

Solar cycle 7 was the seventh solar cycle since 1755, when extensive recording of solar sunspot activity began.[1] 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.[2]

See also

Notes and References

  1. Web site: The Sun: Did You Say the Sun Has Spots? . Space Today Online . 12 August 2010.
  2. SIDC Monthly Smoothed Sunspot Number. "http://sidc.oma.be/sunspot-data/"