Mjd

DateTime::Format::Epoch::MJD is a Perl module that can convert DateTimes to/from Modified Julian Days. SYNOPSIS use DateTime::Format::Epoch::MJD; my $dt = DateTime::Format::Epoch::MJD->parse_datetime( 53244 ); # 2004-08-27T00:00:00 DateTime::Format::Epoch::MJD->format_datetime($dt); #...


Platforms: *nix

moonpos calculates the moon position using the method in the bookAstronomical Algorithms by Jean Meeus, Chapter 45, pp 307 - 313. Thealgorithm used is accurate to about 10 arcsec in longitude and 4 arcsecin latitude according to the book, although the time range is notmentioned. The periodic...


Platforms: Matlab

DateTime::Format::Epoch::JD is Perl module Convert DateTimes to/from Julian Days. SYNOPSIS use DateTime::Format::Epoch::JD; my $dt = DateTime::Format::Epoch::JD->parse_datetime( 2453244.5 ); # 2004-08-27T00:00:00 DateTime::Format::Epoch::JD->format_datetime($dt); # 2453244.5 my...


Platforms: *nix

Time::Piece is a Perl module that contains Object Oriented time objects. SYNOPSIS use Time::Piece; my $t = localtime; print "Time is $tn"; print "Year is ", $t->year, "n"; This module replaces the standard localtime and gmtime functions with implementations that return objects. It does...


Platforms: *nix

The swiss-army knife for every astronomers, pro or amator. It is intended to provide all necessary informations about stars, observatories, times, telescopes, observing runs, night logs... to make your observations the most efficient, and concentrate on the most important: the few photons you get...


Platforms: Mac

GPSTk project provides you an open source library for the satellite navigation management. The GPSTk library provides the base functionality for the GPSTk applications and for a number of other independent projects. There are several categories of functions in the GPSTk library: - GPS time....


Platforms: Windows, Mac, *nix, C/C++, BSD Solaris

A collection of geodetic functions that solve a variety of problems in geodesy. Supports a wide range of common and user-defined reference ellipsoids. Most functions are vectorized. Functions include:Angle Conversions deg2rad - Degrees to radians dms2deg - Degrees,minutes,seconds to degrees...


Platforms: Matlab