Do you want to use an SBIG SC-4 off-axis guiding camera with TheSky X on Windows? Download and install the following (if you haven’t already done so): 1. ASCOM Platform 6.6. SP2: https://ascom-standards.org/ 2. DL Imaging Windows drivers: https://diffractionlimited.com/down/SetupDLAPI.exe 3.DL Imaging ASCOM drivers x86: (This is needed for TheSky X 32-bit): https://diffractionlimited.com/down/DLImagingASCOMDriverInstaller.exe 4. DL Imaging ASCOM drivers x64: (This is needed for TheSky X 64-bit): https://diffractionlimited.com/down/DLImagingASCOMDriverInstaller_x64.exe 5. Setup TheSky X a) Click on the Autoguider tab at the left side. b) Click on the button that says [Camera Setup…] c) A screen titled Imaging System Setup will be displayed d) Click on [Camera Setup v] and select Choose… e) It will open up Choose Camera. f) Select ASCOM Camera from the list g) Click OK. h) Click on [Camera Setup v] again, and select Settings… i) It will bring up the ASCOM Camera Chooser j) Select DL Imaging Camera – or - DL Imaging Camera (2) DL Imaging (Camera 2) = SC-2/3/4 guider, when there is another DL Imaging (Camera 1) like an SBIG Aluma AC4040, AC2020, or Aluma CCD as the main detector - DL Imaging (Camera 1),. If you have an SBIG STX, STXL, STT, STF, STL, ST, or a THIRD PARTY main camera, the SC guider will be DL Imaging (Camera 1). Click [Properties…] This will bring up the DL Imaging properties screen. Select the SC13xxxxxx camera from the list, and click [OK]. (The example screen shot shows an STC camera being used as a guider). Click Close on the TSX Imaging System Setup screen You can now connect and start guiding!