Timeline for How a sunspot number is calculated by an individual observer?

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Timeline for How a sunspot number is calculated by an individual observer?

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Timeline for How a sunspot number is calculated by an individual observer?
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Can you count number of sunspots ( black spots) in this solar disc video from Japan ?

https://swc.nict.go.jp/data/latest/sdo/latest_512_HMIIF.mp4

My count says: 5 sunspots
they claim about 50 sunspots