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Turns out it does - I tried to trace one after posting the above, and only when you try and get your pencil on the paper do you realise how quick it's all moving. I think we should try focusing onto graph paper, taking photos and then transcribing.
Turns out Grandpa had been taking records earlier in the week and comparing them to what NASA had to offer - here's his workings:
Scrabble-
Get the sunspot-o-graph out:
https://spaceweathergallery.com/indiv_upload.php?upload_id=185048
Backstop
That is cool indeed. How do you deal with the motion? Does it not move out of view pretty quickly at this magnification?