https://www.youtube.com/watch?v=sToRhinIGAE&hd=1lin_guider for guiding using QHY5L-II
INDI + EKOS in KStars for capturing frames.
Off-Axis-Guiding is used
https://www.youtube.com/watch?v=fRAF6LnHk1A&hd=1Telescope + Raspberry Pi + Stellarium = iTelescope
把 DOB 改良 但這款是反過來手動 DOB 告訴 stellarium 望遠鏡移那邊 .