OpenAstroGuider v3.1

Additions in v3.1

• Custom PCB for easier wiring and USB-C connector
• slightly adjusted front and rear parts for easier mounting to OAT
• larger channel for dew heater cable

Additions in v3.0

• (optional) Build in dew heater powered directly from USB power
• Sturdier build
• Sturdier holders
• Better focuser
• Light baffles against internal reflections
• Strain relief for IMX USB cable

Required parts

TODO Google sheet part chooser Wiki hardware

Screws & Nuts

• 2x M3x8mm
• 2x M3x12mm
• 8x M3x20mm
• 8x M3 Hex Nut
• 4x M3x4.6x6mm Heatsert
• 4x M4x12mm
• 4x M4 TNut
• (optional) 1x M3x12 Thumbscrew

Other

• IMX290 camera module + USB Cable
• 183/50mm achromatic lens
• about 200g of dark filament
• (Vixen mount) 1x 2020x200mm extrusion

---

OpenAstroGuider © 2023 by OpenAstroTech is licenced under CC BY-NC 4.0.