Azimuth setting circle pointer for Dobsonian mounted telescopes like the Hadley
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Allows for 20 degrees of adjustment when setting up the true azimuth reading
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Updated at source:
Model information
- Source
- Printables
- Category
- Physics & Astronomy
- License
- Creative Commons — Attribution
This pointer provides 20 degrees of adjustment in azimuth to make setting up your Dobsonian mount easy.
It's built around a 12" diameter, 3/4" thick circle, but would easily fit larger or smaller diameters.
Printing:
I found the best way to print is standing up on the pointer using supports. Model was printed on a Bambu A1, 0.4mm nozzle, 20mm layers, PETG HF. I'd also recommend mouse ear brims on the pointer.
Assembly:
I used a #8 wood screw and washer to attach it to the rotating part of the stand. I'd suggest putting the pointer on the eyepiece side to make it easy to look straight down.
Usage:
Set and level the base of the stand, aligning 0° on the setting circle with due North as best you can.
Find a celestial object and look up its current azimuth (or find the North star and use 0°).
Loosen the screw slightly, set the pointer to exactly that azimuth value, tighten the screw.
Fin!