Ephemerides and Sight Reduction

Description:Turns your calculator into a reliable, low-cost celestial navigation computer that can live in a chart table and requires no updates until 2200. Provides astronomical calculations of the ephemerides of the usual celestial navigation bodies (Sun, Moon, Mars, Venus, Jupiter, Saturn, and 58 stars), observation planning by listing the azimuth and elevation of all the visible bodies that meet minimum elevation and azimuth restrictions at a given location at a specified future date and time, sight reduction of sextant observations of any of those celestial bodies to Lines of Position (LOPs), plotting of LOPs on a Cartesian plot from which a fix can easily be deduced, determination of the index correction of a sextant from two simple observations of the Sun, and support for running fixes by translating lines of position by a certain distance on a given bearing.
Filename:hpprimesightreduction.zip
ID:9761
Author: Charles: https://github.com/placidanomaly/
Downloaded file size:1,422,272 bytes
Size on calculator:2383 KB
Platforms:Prime  
User rating:Not yet rated (you must be logged in to vote)
Primary category:Science
Languages:ENG  
File date:2025-12-28 10:25:45
Creation date:2025-12-28
Source code:Included
Download count:1
Version history:2025-12-30: Added to site
Archive contents:
  Length      Date    Time    Name
---------  ---------- -----   ----
        0  2025-12-28 10:25   HPPrimeSightReduction-main/
    29211  2025-12-28 10:25   HPPrimeSightReduction-main/README.md
        0  2025-12-28 10:25   HPPrimeSightReduction-main/bin/
   104469  2025-12-28 10:25   HPPrimeSightReduction-main/bin/AstroCalc.hpprgm
   294578  2025-12-28 10:25   HPPrimeSightReduction-main/bin/Earth.hpprgm
   414840  2025-12-28 10:25   HPPrimeSightReduction-main/bin/Jupiter.hpprgm
   660558  2025-12-28 10:25   HPPrimeSightReduction-main/bin/Mars.hpprgm
   681594  2025-12-28 10:25   HPPrimeSightReduction-main/bin/Saturn.hpprgm
    78889  2025-12-28 10:25   HPPrimeSightReduction-main/bin/Sight Reduction.hpprgm
   205162  2025-12-28 10:25   HPPrimeSightReduction-main/bin/Venus.hpprgm
        0  2025-12-28 10:25   HPPrimeSightReduction-main/img/
     7939  2025-12-28 10:25   HPPrimeSightReduction-main/img/avgproc1.png
    11123  2025-12-28 10:25   HPPrimeSightReduction-main/img/avgproc2.png
    10395  2025-12-28 10:25   HPPrimeSightReduction-main/img/avgproc3.png
    10868  2025-12-28 10:25   HPPrimeSightReduction-main/img/avgproc4.png
    71568  2025-12-28 10:25   HPPrimeSightReduction-main/img/connectivity.png
    17282  2025-12-28 10:25   HPPrimeSightReduction-main/img/ephemerides_input.png
   190781  2025-12-28 10:25   HPPrimeSightReduction-main/img/hp48g2.png
        0  2025-12-28 10:25   HPPrimeSightReduction-main/img/keys/
     2032  2025-12-28 10:25   HPPrimeSightReduction-main/img/keys/1.png
     1883  2025-12-28 10:25   HPPrimeSightReduction-main/img/keys/6.png
     2023  2025-12-28 10:25   HPPrimeSightReduction-main/img/keys/8.png
     1965  2025-12-28 10:25   HPPrimeSightReduction-main/img/keys/abc.png
     1359  2025-12-28 10:25   HPPrimeSightReduction-main/img/keys/check.png
     2245  2025-12-28 10:25   HPPrimeSightReduction-main/img/keys/enter.png
     1113  2025-12-28 10:25   HPPrimeSightReduction-main/img/keys/ok.png
     1758  2025-12-28 10:25   HPPrimeSightReduction-main/img/keys/plusminus.png
     1190  2025-12-28 10:25   HPPrimeSightReduction-main/img/keys/run.png
     1734  2025-12-28 10:25   HPPrimeSightReduction-main/img/keys/shift.png
    15356  2025-12-28 10:25   HPPrimeSightReduction-main/img/listbodies_input.png
    22882  2025-12-28 10:25   HPPrimeSightReduction-main/img/listbodies_output.png
     6475  2025-12-28 10:25   HPPrimeSightReduction-main/img/plot_lop.png
    18291  2025-12-28 10:25   HPPrimeSightReduction-main/img/programs.png
    11508  2025-12-28 10:25   HPPrimeSightReduction-main/img/settime.png
    22417  2025-12-28 10:25   HPPrimeSightReduction-main/img/sightreductionprograms.png
    11437  2025-12-28 10:25   HPPrimeSightReduction-main/img/solaric_input.png
    14072  2025-12-28 10:25   HPPrimeSightReduction-main/img/solaric_intro.png
    10251  2025-12-28 10:25   HPPrimeSightReduction-main/img/solaric_output.png
    10648  2025-12-28 10:25   HPPrimeSightReduction-main/img/sr_input1.png
    16775  2025-12-28 10:25   HPPrimeSightReduction-main/img/sr_input2.png
    16424  2025-12-28 10:25   HPPrimeSightReduction-main/img/sr_input2b.png
    13347  2025-12-28 10:25   HPPrimeSightReduction-main/img/sr_input3.png
    12770  2025-12-28 10:25   HPPrimeSightReduction-main/img/sr_input4.png
    20470  2025-12-28 10:25   HPPrimeSightReduction-main/img/sr_output1.png
    21920  2025-12-28 10:25   HPPrimeSightReduction-main/img/sr_output2.png
    20535  2025-12-28 10:25   HPPrimeSightReduction-main/img/sr_output3.png
        0  2025-12-28 10:25   HPPrimeSightReduction-main/src/
    43991  2025-12-28 10:25   HPPrimeSightReduction-main/src/AstroCalc.txt
   146572  2025-12-28 10:25   HPPrimeSightReduction-main/src/Earth.txt
   206711  2025-12-28 10:25   HPPrimeSightReduction-main/src/Jupiter.txt
   329570  2025-12-28 10:25   HPPrimeSightReduction-main/src/Mars.txt
   340088  2025-12-28 10:25   HPPrimeSightReduction-main/src/Saturn.txt
    33824  2025-12-28 10:25   HPPrimeSightReduction-main/src/Sight Reduction.txt
   101872  2025-12-28 10:25   HPPrimeSightReduction-main/src/Venus.txt
---------                     -------
  4274765                     54 files
Screenshot:Screenshot
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Part of the HP Calculator Archive,
Copyright 1997-2025 Eric Rechlin.