Dear Angelo, > I need to know how to calculate, with a good accuracy, the sun > declination for April 18 1693.
According to the Dialist's Companion, the sun's declination on 4-18-1693 was 11.234 degrees. This was at noon on the prime meridian. The Dialist's Companion will calculate information such as this from 1 A.D. to 2999 A.D., and is available at: http://www.shadow.net/~bobt/dcomp/dcomp.htm Best regards, Bob Terwilliger NASS Design and Construction Group
