Sometimes when Celestia captures an image of its window, theres an ugly bright rectangle in the picture. How can I get rid of it?
Sometimes a bright area is recorded where the file requestor or any other window overlaps Celestia’s main menu. a) This seems to be a bug somehow related to galaxy rendering. Just toggle “Show Galaxies” off and on again before you take your snapshot. Either use the Render/View Options menu or type the letter “U” twice before you press “F10”. b) Run Celestia in windowed mode, not full-screen. Drag the file requestor away from in front of the main window before you click on “Save”. c) If your graphics card supports it, you can connect a secondary display. Some CRTs are very inexpensive. Drag the file requestor to the other screen.