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- egon1990 commented on DentDentArthurDent's instructable Arduino Star-Finder for Telescopes
- egon1990 commented on andrea biffi's instructable Cardboard Spectrometer, Rainbows in Your PocketView Instructable »
i dont understand where to put the cd. please make a diagram or sketch.
- egon1990 completed the lessons Shooting for Photogrammetry and Turning Your Photos Into a 3D Model in the class 3D Scanning Class
- egon1990 completed the lessons Tools and Materials for 3D Scanning and Understanding 3D Scanning in the class 3D Scanning Class
- egon1990 commented on woodenProjects's instructable Hacking TV Tuner to Read Earth Photos From Satellites
- egon1990 enrolled in Welding Class
- egon1990 completed the lesson Welcome in the class Easy 3D Printing
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Hi, I make a satellite tracker with an esp8266 and 2 step motors. It uses sgp4 orbit propagation but now I want to add the possibility of look at stars an follow them. Now I get the Azimuth and Elevation of a satellite and follow them in real-time. But I don't know how to make the same with stars (in fact is more simple but I don't make any calculations, I only use a propagator).The question is, how I make the calculations using only TIME (Julian date, UNIX, etc) and mi ground station coordinate? can I remove the TinyGps module without trouble?