Hi Bill, Let us know whenever you make a change to your new program so that we can delete the old version and install the new version. thanks.
When you do, I'll test the viewing problem for you. John L. Carmichael Jr. 925 E. Foothills Dr. Tucson Arizona, USA Tel: 520-696-1709 Email: [EMAIL PROTECTED] Sundial Sculptures Website: http://www.sundialsculptures.com Stained Glass Sundials Website: http://advanceassociates.com/Sundials/Stained_Glass ----- Original Message ----- From: <[EMAIL PROTECTED]> To: <[email protected]> Sent: Thursday, August 28, 2003 7:55 PM Subject: Re: Cardinal Direction Software possible glitches > CardinalDirections uses Jean Meeus' formulas from "Astronomical Algorithms." > I ran your [Patrick Powers] numbers through NASS's "The Dialist Companion." > It gives the sun east at 7:32:33 AM (3 second difference), south at 1:01:20 PM > (1 second difference), and west at 6:30:40 PM, a 3 second difference. I have > no experience with WinEphem, and can not explain the large differences. > CardinalDirections calculates the proper Eot and declination for each cardinal > direction, and does not assume the noon value as the day's average. > Selecting the correction for refraction did not change these values at all, > which makes sense to me. I am not an expert on the effect of refraction, but > it seems to me that it effects only the sun's altitude, and not its azimuth at > all. The Cardinal Directions are strictly azimuthal measurements. > I wonder if the problem with fonts getting crowded on some people's computers > has to do with my selection of MS sans serif. I will change the font to > Arial, which I think is more universally present on people's computers, and > reissue CardinalDirections in a few days. I designed it to be viewed at 1024x768 > screen resolution, forgetting that may not work for all users. I will also add > Declinations and EoTs, as suggested by Fer. > -Bill > > In a message dated 8/28/2003 3:10:50 PM Eastern Daylight Time, > [EMAIL PROTECTED] writes: > > > > > Yes, the boxes for W and E of Greenwich are apparently 'merged' a little, > > though the times for the Greenwich meridian and Lat 52 degs seem the same > > whether E or W is specified However, times of transit of the sun on 28th > > August 2003 at Greenwich and at Lat 52 degs are given as 13:01:21 but > > WinEphem gives it as 13:03. I am not sure which is correct. (For ref: > > times for East (given as 07:32:36) are 07:34:10 on WinEphem and times for > > West (given as 18:30:37) are 18:31:51 on WinEphem. > > > - > -
