2017 Nautical Almanac in pdf format which includes monthly star charts with the planets'' positions. It also includes parallax corrections for the planets. Supplementary tables such as Increments and Corrections, Refraction and Dip are available at navsoft.com/downloads.html. This Almanac was created by AstroNav for which a demonstration version is available on this site. Accuracy is equal to the UK/ ...US Governments'' "The Nautical Almanac" while the Star Charts are more comprehensive as well as showing the locations of the major planets for each month.
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Complete 2014 Nautical Almanac in pdf format complete with monthly star charts. Includes Parallax corrections for the planets which are not normally available.
Almanac gives you the capability to determine the times of rising, setting, and meridian transit for the sun, the moon, and the planets. It also enables you to calculate the beginning and ending of astronomical, nautical, and civil twilight. The results of the calculations are formatted and written into a text editor. You can perform all common editing functions and save the data as a text file. The ...formulae used in Almanac assume an ideal horizon where the intersection of the sky with the apparent plane of the earth''s surface at the observer is the horizon. For rise/set calculations, the observer has zero elevation so that the horizon is exactly 90 degrees from the local vertical. Refraction of light passing through the earth''s atmosphere tends to make objects appear higher in the sky than they actually are. This effect increases as an object''s altitude decreases. Almanac assumes average atmospheric conditions in compensating for refraction. Lunar parallax changes the perceived altitude of the moon because the observer is not at the center of the earth. Parallax makes that the moon appears lower in the sky. Almanac compensates for this effect. Parallax for the Sun and planets is small enought to be ignored for this application.
Complete 2113 Nautical Almanac in pdf format complete with monthly star charts. Includes Parallax corrections for the planets which are not normally available.
The consideration of the Planets in the ’Toposphaera’ ? or as we call it nowadays: horizontal coordinate system - was important part of the ancient astrological approach to the celestial phenomena. Genius Loci 1.0 is an innovative software displaying Azimuth (measured from South) and Altitude (mathematical and refracted) values simultaneously with the Tropical Longitudes of Planets, Asc., MC and Vertex, ...calculating between 1000 AD and 3000 AD, both Geocentric and Topocentric planetary positions, in different time frames, with easily adjustable geo coordinates. We recommend this tool for those who show interest in scientific astrology or intend to discover the hidden context of the ’Celestial Mechanics’ carefully considered by the ancient and medieval astrologers. Of course, this software can be useful for amateur astronomers or ’stargazers’ too. (Proposed screen size: 15-inch at least, proposed resolution: 1400x900(1050) px; For operating systems Xp, Vista, Win 7)
Astronomical planetarium in color and easy to use, with which you''ll be able to contemplate 28,695 objects of the firmament and the phenomena and the most interesting astronomical movements of the past, the present and the future. You can observe the sky from any Earth place, in the date that you determine (from the 12 hours of January, 1 of 4,713 B.C. until the 23 hours and 59 minutes of December, ...31 of 7,999 A.C.), selecting the type of objects that you wish to see and minimum magnitude. Also you can consult the position and other data relative to 3,654 celestial objects, to locate them in the sky at any time, animate the images to study the movements of the stars and the planets, displaying inverted the image of the sky as it appears in the viewfinder of a telescope, to print any image of the screen and other many possibilities that you will be discovering as it is advancing in the knowledge of the program.
Complete 2112 Nautical Almanac in pdf format complete with monthly star charts. Includes Parallax corrections for the planets which are not normally available.
Desktop Lunar Calendar is simple, fun and easy to use calendar. It is accurate anywhere in the world. It has two parts: image of the current moon''s phase and compact, harmonic moon calendar. The 4 main quarter phases - Full, New, First Quarter, and Last Quarter - are marked on the calendar. You can change color of the calendar, size of the moon''s image, time''s format and more, download now!
Moon Phase Calculator is simple and easy to use tool that allows you to calculate the phase of the Moon for any time in the past or future and to search for the next or previous full moon, new moon or first or last quarter.The day, month, and year can be changed using the keyboard or mouse buttons on the calculator. Moon Phase Calculator has small size and user frendly interface. Download it now!