Sun Burn Posted December 11, 2019 Share Posted December 11, 2019 As of today 12/11/19, another website lists the number of consecutive spotless days as 28, with 268 spotless days in the year. Are there other entities - Gov & Scientific, that count spotless days another way? Why the discrepancy? Is there some debate on what a sunspot is? Link to comment Share on other sites More sharing options...
Vancanneyt Sander Posted December 11, 2019 Share Posted December 11, 2019 On Novembert 13th there was a new region number assigned to a very shirt lived spot. SWPC didn't count it as a sunspot that was visible at midnight local time. SILSO of the SIDC did count it as a day with a tiny speckle on the sun. The official numbers should be from SILSO as they are the official source of the sunspot number. Probably, because of the time difference between the recording of SILSO and SWPC, the tiny speckle wasn't visible anymore and thus by that instance not counted. 1 Link to comment Share on other sites More sharing options...
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