Sunspot Wikipedia
International Sunspot Number sunspot maximum and minimum 1610present. The maximum smoothed sunspot number monthly number of sunspots averaged over a twelve-month period observed during the solar cycle was 1208 March 2000 and the minimum was 17. Numbers in brackets for cycle 25 indicate the minimum possible value for that month assuming there are no more sunspots between now Jan 10 2024 and six months after the end of the month. The Wolf number also known as the relative sunspot number or Zürich number is a quantity that measures the number of sunspots and groups of sunspots present on the surface of the. Solar cycle 25 is the current solar cycle the 25th since 1755 when extensive recording of solar sunspot activity began It began in December 2019 with a minimum smoothed sunspot number..
International Sunspot Number sunspot maximum and minimum 1610present. The maximum smoothed sunspot number monthly number of sunspots averaged over a twelve-month period observed during the solar cycle was 1208 March 2000 and the minimum was 17. Numbers in brackets for cycle 25 indicate the minimum possible value for that month assuming there are no more sunspots between now Jan 10 2024 and six months after the end of the month. The Wolf number also known as the relative sunspot number or Zürich number is a quantity that measures the number of sunspots and groups of sunspots present on the surface of the. Solar cycle 25 is the current solar cycle the 25th since 1755 when extensive recording of solar sunspot activity began It began in December 2019 with a minimum smoothed sunspot number..
Observers Contact Legal notices Since July 1st 2015 the original Sunspot number data have been replaced by a..
Sunspot Number here denoted R is defined as R K 10 G I where G is the number of sunspot..
Sunspot Wikipedia
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