I did not know where to put this. Moderator please move if it is in the wrong topic. Thanks
Hi,
Having got the info from a fellow astronomer about this Japanese Woman who was a great Sun sketcher in her life.
https://en.wikipedia.org/wiki/Hisako_Koyama
Hisako Koyama ...
Moderator: marktownley
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Re: Hisako Koyama ...
Interesting, Rainer. Looks like she produced lots of good data over her lifetime.
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Re: Hisako Koyama ...
Yes. quite a few I would say with 10,000 sketches what I read somewhere
regards Rainer
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Observatorio Real de 14
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Re: Hisako Koyama ...
She was the ultimate visual observer. Hat's off to her.
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Re: Hisako Koyama ...
Hi,
Look here at this link and scroll slowly doen and at about 2/3 of the article there is an animation of some sketches from her.
https://www.pbs.org/newshour/science/ja ... t-sketches
https://www.issibern.ch/teams/sunspotno ... proved.pdf
regards Rainer
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North 22° West 101°
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Re: Hisako Koyama ...
It would be nice if her entire sketch database could be found somewhere. I have numerous white light observations compiled in the 1980s, early 1990s that I could match up against them.
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Re: Hisako Koyama ...
Hi James,DeepSolar64 wrote: ↑Fri Mar 05, 2021 5:34 pmIt would be nice if her entire sketch database could be found somewhere. I have numerous white light observations compiled in the 1980s, early 1990s that I could match up against them.
I made some homework and searched a lot but nowhere so far is the collection available. Not even in the Museum where they are stored.
Must be a case of " National Security " as a guy I know called past POTUS of USA used to decide
regards Rainer
Observatorio Real de 14
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North 22° West 101°
Observatorio Real de 14
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