About this project
The Apollo astronauts used stars to steer their ship to the moon. Their guidance computer was programmed with the location of several dozen stars. When an astronaut would sight an optical telescope to a known star, he could align that reading with the computer to update the ship's orientation.
This format is sufficient for rectangular shaped paper but has the unfortunate effect of "rolling off" to the sides. (Note the two large squares of Pegasus right and left.)
Transforming the star chart data to a circular format eliminates this inefficiency. Lighting it up allows an overlay of the critical stars used for guidance.
Only one square of Pegasus is now located to the right middle, just inside the circle. Up is towards the center, towards Polaris. Reading the rectangular chart from right to left is the same as reading the lighted sign clockwise.
A single color version is also available that labels the constellations of Apollo. Frame and light color is a suggestion for both models, other options will be available.
These signs make a great guide to searching the sky, and learning about the challenging journeys to the moon.
Risks and challenges
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