Last email from me today... here is the 4 year EOT from my main book
Simon On Wed, Jan 25, 2017 at 5:21 PM, Kenneth R clark <[email protected]> wrote: > I had an error message from AOL Sorry for no subject line and my files > were not sent. > > Let me retry with this account. > > > Hi everyone, > > > I am working on my Equation of Time plaque for my aluminum cross > sundial. All the instructions and graphics and EQT will be on an 8 ½” > diameter ½” aluminum plate. I do not want to use the standard graph found > on many sundials but instead a chart for the whole year, mins and secs, to > add or subtract total correction to get watch time. I do not have much > room for detailed instructions. > > > I looked at difference sources for the chart and would like to verify > the most accurate times to use the four year leap year cycle for a church > at 40.1526N, 76.6038W. I have looked at the Solar Noon calculator, Sonne > and Shadows-(cannot input decimal degrees?) Are there other sources or > spreadsheet programs? > > > I like to convey that sundials are accurate. I envision that a > person will wait till the shadow is on a line and the person will know what > time it is suppose to be even though this type of sundial may not be design > for precision. > > > I made a quick drawing. There will be some type of sun image at the > top and a logo at the bottom for the location. The chart in the center is > from another project that I did just to see how it would look and if the > printing is large enough to read. I would have to change the inputs to > standard time for the whole year. I have also attached a picture of the > sundial. > > > I just want to know if I am using the right times and would > appreciate any comments or suggestions. > > > Thanks very much > > > Ken Clark > > > Elizabethtown, PA > > --------------------------------------------------- > https://lists.uni-koeln.de/mailman/listinfo/sundial > > > -- Simon Wheaton-Smith www.illustratingshadows.com Phoenix, AZ W 112.1, N 33.5
4yearEOT.pdf
Description: Adobe PDF document
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