<p>For many years now I've been using Voyager sky simulator by Carinasoft. The projection selections are great, but Equirectangular doesn't seem to one one of them. Is there a program out there that does this? I cooked up an Excel sheet to do the coordinate conversions, and I can import these into Autocad if I have to, but it seems like there should be an off-the-shelf package to do this.      </p>

<p>For my current project I need to be able to show a 360 degree overview of changes due to precession from 3000-2000-1000 BC at a glance.  It may be my familiarity with the typical simple projection published for surveyors in a standard Ephemeris before the internet and GPS all but eliminated the demand for such publications.   </p>

CC BY-SA 3.0
2017-07-09T19:18:05.663Z
Not sure if it helps, but for equirectangular just map RA = x and dec = y
James K
<star><coordinate><constellations><ecliptic><sky-survey>
360 degree equirectangular projection of all naked eye stars with precessional motion for simulating
Stephen Hughey
# 360 degree equirectangular projection of all naked eye stars with precessional motion for simulating

(Asked by: username_0 on 2017-07-09)

For many years now I've been using Voyager sky simulator by Carinasoft. The projection selections are great, but Equirectangular doesn't seem to one one of them. Is there a program out there that does this? I cooked up an Excel sheet to do the coordinate conversions, and I can import these into Autocad if I have to, but it seems like there should be an off-the-shelf package to do this.

For my current project I need to be able to show a 360 degree overview of changes due to precession from 3000-2000-1000 BC at a glance. It may be my familiarity with the typical simple projection published for surveyors in a standard Ephemeris before the internet and GPS all but eliminated the demand for such publications.

**Tags:** star, coordinate, constellations, ecliptic, sky-survey
> **Comments:**
> **username_1**: Not sure if it helps, but for equirectangular just map RA = x and dec = y  

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## 0 answers

