Star Tracker with geosynchronous gear ratio of 1:1440
thingiverse
This is improved design for star tracker made with 1:1440 gear ratio and 1rpm stepper motor. I use 2 worm gear with ratio of 1:40 and 1:36 Also added HCH 608 2RS ball bearing for smooth motion and better camera handling.but I recommend use small camera or manual mode in mobile
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