Chapter 2:
Special Considerations
for Cycle 21

2.1 STIS Repair and Return to Operations

2.2 Summary of STIS Performance Changes Since 2004

2.3 Use of Available-but-Unsupported Capabilities

2.4 Should I Use COS or STIS?

2.5 Scheduling Efficiency and Visit Orbit Limits

2.6 MAMA Scheduling Policies

2.7 Prime and Parallel Observing: MAMA Bright Object Constraints

2.8 STIS Snapshot Program Policies