NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Predictor for moon alt/az at twilight?
From: Fred Hebard
Date: 2005 Apr 2, 08:15 -0500
From: Fred Hebard
Date: 2005 Apr 2, 08:15 -0500
On Apr 2, 2005, at 6:32 AM, Jim Thompson wrote: >> -----Original Message----- >> From: Fred Hebard >> The MICA program, produced by the Naval Obseratory, is linked on their >> site. I think you can buy it from Wilhemm-Bell. It outputs the >> complement of the declination, but you can easily change that by >> pasting the output into a spreadsheet. > > Thanks Fred. Their online calculator "Apparent coordinates: > topocentric ZD > & Az, wrt local horizon" at > http://aa.usno.navy.mil/data/docs/WebMICA_2.html > gives me the data I want, but it will not allow me to see results for > dates > beyond May 01 2005 (as of today, April 02 2005). Maybe that's how they > encourage MICA purchases (US$29.95 + shipping + duty + taxes)(?). > > Jim Thompson > -------------------- > Jim, I don't think they'd care about the money, being gov't employees. The almanacs may be turning over. Mica does in 2005. Fred
