Intressant med en ölburk

Metoder för astrofotografering
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hellbom
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Intressant med en ölburk

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https://www.kamerabild.se/nyheter/veten ... neringstid" onclick="window.open(this.href);return false;
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hellbom
Posts: 166
Joined: 2020-04-04 16:24:06
spamtest: JA
Location: Uppsala

Re: Intressant med en ölburk

Post by hellbom »

Leonardo visste redan då denna tekniken. Leonardo da Vinci's Camera Obscura
https://owlcation.com/humanities/Leonar ... ra-Obscura" onclick="window.open(this.href);return false;
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