Chapter 5: Observing Considerations 5.1 Bright-Object Constraints 5.1.1 NICMOS & WFPC2 5.1.2 ACS & STIS 5.1.3 FGS 5.2 Target Acquisitions 5.2.1 Target Acquisition without the Ground System 5.2.2 Target Acquisition with the Ground System 5.3 Solar-System Targets 5.4 Offsets and Patterns 5.5 Special Background Emission Requirements 5.5.1 Low-Sky (LOW) Observations 5.5.2 Shadow (SHD) Observations
