Search Options Use this option to search for objects in the currently- selected file option. Example entry format: Catalog Number: Name: Constellation: Starting Ra Ending Ra : Starting Declination Ending Declination : Object Type: Display Commentary (if available) [Y/N]? Hardcopy [Y/N]: File Options Use this option to select the file to be used in searches. Use the Spacebar or the Arrow Keys to move the shaded bar to the option of your choice; then hit the Enter key. Full Catalog: over 2000 deep-sky objects Messier Catalog: the 110 Messier Catalog objects Named Objects: about 100 objects having common names Bright Stars: all stars with magnitudes less than 2.00 Double Stars: about 100 prominent double stars DOS Shell Use this option to execute DOS commands without leaving ACE. To return to ACE, type "EXIT" at the DOS prompt. Exit Use this option when you want to exit from the menu and return to the DOS prompt.