[time-nuts] Local Solar Time Clock
Bob Stewart
bob at evoria.net
Sun Jan 19 23:38:40 EST 2014
There is digital astronomy specific out there that will overlay/digitally add multiple images, do filtering, enhance contrast, etc. It's just something I've read about at this point. I haven't used it and couldn't point you to specific software.
>________________________________
> From: quartz55 <quartz55 at hughes.net>
>To: Discussion of precise time and frequency measurement <time-nuts at febo.com>
>Sent: Sunday, January 19, 2014 9:49 PM
>Subject: Re: [time-nuts] Local Solar Time Clock
>
>
>analemma not infinity. Excuse the analism please.
> ----- Original Message -----
> From: Max Robinson
> To: Discussion of precise time and frequency measurement
> Sent: Sunday, January 19, 2014 10:36 PM
> Subject: Re: [time-nuts] Local Solar Time Clock
>
>
> Many years ago I saw some pictures in Sky and Telescope where some people
> had mounted a camera in such a way as to not be disturbed from day to day
> and taken an exposure of the sun at 12 noon local mean time every day of the
> year all on the same photographic plate. At the end of the year upon
> development of the plate they had a nice infinity sign. I don't see how
> such a feet could be pulled off with digital photography.
>
> Regards.
>
> Max. K 4 O DS.
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