Maybe it could be useful to simulate the Oughtred dial at the Arctic Circle with Orologi Solari. Greetings. Gian
>----Messaggio originale---- >Da: [email protected] >Data: 16/01/2009 16.55 >A: "John Goodman"<[email protected]>, <[email protected]> >Ogg: RE: Interesting "Day" Question from the mind of a child > >John: >The illustration was created by a computer program which can indeed >create a similar chart for any place on earth. I'd be happy to send it >to you if you're interested. It's written in Java so will run on almost >any platform. >Brad > >-----Original Message----- >From: [email protected] [mailto:[email protected]] >On Behalf Of John Goodman >Sent: Thursday, January 15, 2009 5:10 PM >To: [email protected] >Subject: RE: Interesting "Day" Question from the mind of a child > >On Jan 15, 2009, at 1:58 PM, Lufkin, Bradley (MS wrote: > >> Here's a sundial which illustrates these points. It's an Oughtred dial > >> set for the Arctic Circle without longitude, EOT, or refraction >> corrections. Note that the Sun is above the horizon for the entire day > >> on the 21st of June (but just barely). >> Brad > >It's nice to see a graphical answer to the question! > >How was this sundial illustration created? Is there a software >application that can create a chart like this for any place on earth, at >any time of year? > >Thanks for any additional info. >John > >www.annosphere.com > >> -------------- next part -------------- A non-text attachment was >> scrubbed... >> Name: sundial.png >> Type: image/png >> Size: 25753 bytes >> Desc: sundial.png >> Url : >> https://lists.uni-koeln.de/mailman/private/sundial/attachments/2009011 >> 5/7bcc75e8/attachment.png >> >--------------------------------------------------- >https://lists.uni-koeln.de/mailman/listinfo/sundial > > >--------------------------------------------------- >https://lists.uni-koeln.de/mailman/listinfo/sundial > >
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