Chapter 12: Special Uses of STIS 12.1 Slitless First-Order Spectroscopy 12.2 Long-Slit Echelle Spectroscopy 12.3 Time-Resolved Observations 12.4 Observing Too-Bright Objects with STIS 12.5 High Signal-to-Noise Ratio Observations 12.5.1 Dithering 12.5.2 FP-SPLIT Slits for Echelle Observations 12.6 Improving the Sampling of the Line Spread Function 12.7 Considerations for Observing Planetary Targets 12.7.1 Slit Orientation 12.8 Special Considerations for Extended Targets 12.9 Parallel Observing with STIS 12.9.1 Coordinated Parallels: Using STIS in Parallel with Other Instruments 12.10 Coronagraphic Spectroscopy Barred Spectroscopy Specifying ORIENT with the 52X0.2F1 Aperture Correcting Fringing for the 52X0.2F1 Aperture 12.11 Coronagraphic Imaging—50CORON