▁recording ▁of ▁solar ▁sun spot ▁activity ▁began . ▁The ▁solar ▁cycle ▁last ed ▁ 9 . 3 ▁years , ▁beginning ▁in ▁June ▁ 1 7 7 5 ▁and ▁ending ▁in ▁September ▁ 1 7 8 4 . ▁ ▁The ▁maximum ▁smooth ed ▁sun spot ▁number ▁( S ID C ▁formula ) ▁observed ▁during ▁the ▁solar ▁cycle ▁was ▁ 2 6 4 . 3 ▁( May ▁ 1 7 7 8 ), ▁and ▁the ▁starting ▁minimum ▁was ▁ 1 2 . 0 . ▁▁ ▁William ▁H ersch el ▁began ▁obser ving ▁sun sp ots ▁during ▁this ▁period . ▁ ▁See ▁also ▁List ▁of ▁solar ▁cycles ▁ ▁References ▁ ▁Category : S olar ▁cycles <0x0A> </s> ▁Hans ▁Hen rik ▁L ø y che ▁is ▁a ▁Dan ish ▁science ▁fiction ▁writer , ▁born ▁in ▁C open hagen ▁in ▁ 1 9 6 4 . ▁He ▁studied ▁at ▁the ▁Academy ▁of ▁Arts ▁before ▁trav elling ▁around ▁Asia , ▁Africa ▁and ▁various ▁Mediter rane an ▁countries . ▁His ▁first ▁work ▁was ▁the ▁novel ▁St ø j ▁( B aff ling ▁No ise ), ▁published ▁ ▁in ▁ 1 9 9 6 . ▁L ø y che ▁was ▁nominated ▁for ▁Europe ' s ▁best ▁science - f iction ▁writer ▁for ▁ 2 0 0 7 ▁and ▁was ▁a ▁guest ▁at ▁the ▁Euro con ▁ 2 0 0 7 ▁science ▁fiction ▁convention . ▁ ▁References ▁▁ ▁Euro con ▁ 2 0 0 7 ▁sci - fi ▁convention ▁ ▁Category : Dan ish ▁science ▁fiction ▁writers ▁Category : Dan ish ▁male